Competition may block skin repair by preventing functional epidermal cells from expanding
Functional basal keratinocytes may fail to expand among damaged neighbours, limiting skin recovery. Confirmed positive growth and epidermal renewal with persistently aged dermis and elasticity would refute a single ecological bottleneck.
Stage of verification
- Hypothesis published2026-09-29
- Not enough research data
- Direct testAwaited
Map of the hypothesis
Hover over an icon or tap it to see its name.
Where in the body
Biological function
Epidermal renewal through the expansion of functionally competent basal keratinocytes in competition with damaged neighboring cells
Lens
Kind of knowledge gap
A double ring marks the main placement where a group contains several values.
Target map
Every target of every published hypothesis, each with the actions a hypothesis can propose on it. The targets and the actions of this hypothesis are drawn solid.
Rhythm or programme
Cell competition
Interactions between cell populations that influence their relative growth and expansion
Where this hypothesis actsBasal keratinocytes competing with damaged neighboring cells in ageing epidermis
Hypotheses on this target 1
Inhibition
Activation1
Function preservation
Feedback restoration
Rhythm restoration
Direct measurement
What is proposed
Activation
Restore competition that permits functionally competent keratinocytes to expand
With whatNot stated in the record
HowNot stated in the record
Possible result
Possible epidermal renewal, followed by delayed dermal recovery and normalization across all five domains
From the recordИзменение только конкурентного взаимодействия должно изменить исход.
All targets of the lab
Every target read from the published hypotheses, each kind around its pictogram. A larger mark means more hypotheses act on that target. Point at a mark and the actions proposed on it branch out of it.
Solid and named: the targets of this hypothesis
Explore in depth
The logic
The train of thought that ends in this hypothesis. Each stage is the reason the next exists. The master question narrows to a goal, the goal to an unknown nobody has closed, the unknown to the hypothesis proposed here. Every step below says what it rests on and what carries it.
Older skin might fail to repair because useful cells cannot gain ground among their damaged neighbours. The unexpected move is to borrow a rule about competing populations from ecology, the study of organisms' relationships with their surroundings and one another, and apply it to renewing skin. This is a proposal generated by the pipeline, not a measured explanation of human skin ageing.
- Damaged neighbours are proposed to suppress the net growth of rare functional cells in the skin's renewing layer.
- Interactions between the two populations would determine whether those functional cells decline or expand, beyond their starting proportion alone.
- Repairing surrounding support or removing senescent cells would help only if the functional population switched from shrinking to expanding.
- Expansion of functional cell families would renew the outer layer's working cell population.
- Renewal of the outer layer would then normalize signals reaching the supporting layer beneath it.
- The deeper layer would respond later, with recovery across all five areas remaining a further prediction.
A few healthy plants can fail to spread in a bed crowded by struggling plants if the neighbours still prevent their growth. The proposal asks whether changing that neighbourhood lets the healthy plants spread, rather than merely starting with more of them.
Where the picture breaks: Skin cells can change their roles and states, and neighbouring skin layers communicate in ways this garden picture does not represent. Spreading also need not mean becoming healthier: an abnormal cell family can expand.
- Master questionstep 01 of 04
Skin in a 50-year-old person is the starting point, and the condition of skin at 30 is the intended destination.
Rests on: The goal itself supplies the two ages and the ambition to restore a younger condition; it supplies no measurements defining that condition.
Stated in the chain - Goal pillarstep 02 of 04
A route to younger skin must produce a demonstrable, lasting change.
Rests on: The master question supplies the desired restoration. This stage makes durability and evidence explicit requirements of that goal, without claiming that either has been achieved.
Stated in the chain - Gap questionstep 03 of 04
The proposed comparison targets the extracellular matrix, the supporting material outside cells, and cellular senescence, a persistent state in which cells stop dividing and can alter their surroundings. Separate changes to these targets would ask which is necessary for five areas of skin condition to approach a 30-year-old reference; the supplied record does not define those five areas.
Rests on: The demand for demonstrable restoration motivates separating possible causes, but does not itself establish this shortlist of targets or the five-part measure of restoration.
AssumptionThe stage takes matrix connectedness and senescence as the initial targets worth separating, and assumes a defined five-part comparison with younger skin. Their selection and the definitions of those five areas are not supplied.
- Hypothesisstep 04 of 04
Functional basal keratinocytes, cells in the bottom layer of the skin's outer covering that help renew it, are proposed to lose ground among damaged neighbours. Repairing the surrounding support or removing senescent cells would help only if these functional cells became able to expand. Their renewed success would then restore communication between the epidermis, the skin's outer covering, and the dermis, the supporting layer beneath it; extension to the dermis and all five areas remains speculative.S3
Rests on: The endpoint supplies a Lotka–Volterra model, a mathematical description of how populations' own growth and mutual suppression affect their numbers, as its proposed basis. The supplied abstract in Developmental Cell (2021) connects removal of renewing outer-layer cells with damaged genetic material to greater expansion of intact neighbours (S3). That supports a connection between selection and expansion, but does not establish that competition limits aged human skin repair or that it controls the deeper layer.
Supported by literature
What is carried, and what is not. Of the screened sources, two offer partial support for the selection-and-expansion premise: the supplied Developmental Cell (2021) abstract links damaged-cell removal with intact-neighbour expansion (S3), without testing the proposed repair bottleneck, while Nature (2023) reports expanding cell families and competition in a mouse cancer-related model without invasion of the deeper layer (S2), which does not demonstrate healthy repair. Neither establishes the full sequence from changing competition to lasting restoration of aged human skin; the population model and the extension across layers remain proposed explanations.S3S2
Where the reasoning is carried by something unstated · 1
- Gap question. The stage takes matrix connectedness and senescence as the initial targets worth separating, and assumes a defined five-part comparison with younger skin. Their selection and the definitions of those five areas are not supplied.
How a result here could mislead · 3
- A larger clone, a family descended from one cell, could be counted as repair even if its members are damaged or abnormal. The supplied Nature (2023) mouse study reports expansion and competition in a cancer-related setting (S2), so expansion in that evidence is not a measure of healthy renewal.S2 What closes it: The specification already calls for tracking cell-family size and fate alongside abnormal cell features. Functional repair must be assessed separately from expansion, with the criteria for a useful cell fixed before its later success is observed.
- More expansion after a change could be attributed to weaker suppression by neighbours even if the functional cells' own growth or change of role had shifted. Nature Cell Biology (2018) reports that a cancer-related change in mouse epidermis reduced expansion through altered renewal within the affected cells (S7); it does not establish the cause of repair failure in older human skin.S7 What closes it: The proposed independent estimate of growth when functional cells are rare must distinguish their own growth from neighbour-dependent suppression, with the starting mixture and average senescence held comparable as specified. The record does not specify an intervention that changes only the competitive interaction; without establishing that separation, a changed outcome cannot uniquely identify competition as the cause.
- An early improvement in the outer layer, or a favourable average across outcomes, could be read as evidence for one skin-wide repair switch. It could instead coexist with persistent deeper-layer ageing, reflect differently timed repairs, or accompany changes in protective cell functions or damage-related signalling that the rival explanations make causal. What closes it: The five areas require definitions and separate repeated measurements, including deeper-layer condition and elasticity, with the timing and persistence needed for recovery specified in advance. Tests must distinguish a change in competition from changes in layer-to-layer timing, protective functions of senescent cells, and damage-related signalling; the supplied conceptual design does not yet specify how those rival routes would be separated.
What would make this wrong. The supplied decisive failure is sustained ageing of the deeper layer and skin elasticity despite independently confirmed positive growth of functional outer-layer cells and restored outer-layer function. That would break the strong claim of a single competition-based limit across skin, while leaving open a narrower role in outer-layer repair. The claim that matrix repair or senescent-cell removal helps only through this switch would also fail if durable functional restoration occurred while the independently assessed functional population remained unable to expand.
What it would change. If the strong version held, restoring older skin would require making functional renewing cells able to gain ground among damaged neighbours; changing the supporting material or senescent-cell abundance would matter through that requirement. A cell mixture that looks younger at the outset would therefore be an inadequate explanation of sustained recovery. Even successful tests in mixed outer-layer models and multilayer human tissue would not by themselves establish lasting restoration of a living 50-year-old person's skin to a 30-year-old condition, particularly while the five areas and the required duration remain undefined.
Sources read · 6
Recent advances in understanding of radiation-induced skin tissue reactions with respect to acute tissue injury and late adverse effect. · Journal of radiation research · 2025
“In the skin, epidermal keratinocytes mostly induce premature senescence in response to ionizing radiation, while they induce apoptosis after ultraviolet light irradiation [ ].”
Does not settle: Текст описывает реакции кожи на облучение, но не измеряет конкурентное расширение функциональных базальных кератиноцитов среди поврежденных соседей и не устанавливает, что оно является главным ограничителем восстановления. Он не проверяет, меняют ли исправление матрикса или удаление сенесцентных клеток знак конкурентной способности, нормализуются ли вслед за этим межслойные сигналы, и распространяется ли такая схема на дерму и пять доменов.
The extracellular matrix dictates regional competence for tumour initiation. · Nature · 2023
“SmoM2 expression in the back skin epidermis led to clonal expansion that induced lateral 37 cell competition without inducing dermal invasion and tumour formation.”
Does not settle: This mouse oncogene-driven tumour study shows that clonal expansion and lateral competition can occur without dermal invasion; it does not test skin repair or the expansion of functional basal keratinocytes among damaged neighbours. It does not establish that matrix changes or senescent-cell removal benefit repair only by reversing competitive fitness, or that epidermal selection restores dermal signalling across five domains.
Dynamic stem cell selection safeguards the genomic integrity of the epidermis. · Developmental cell · 2021
“the selective elimination of cells with DSBs is coupled with the augmented clonal expansion of intact stem cells.”
Does not settle: The abstract links clearance of DNA-damaged epidermal stem cells to expansion of intact neighbors, but does not establish that impaired expansion blocks skin repair, measure a negative competitive capacity among damaged neighbors, or test matrix repair, senescent-cell removal, interlayer signaling, the dermis, or transfer across five domains.
Initiator and promoter induced specific changes in epidermal function and biological potential. · Journal of supramolecular structure and cellular biochemistry · 1981
“These results are consistent with the presence of subpopulations of basal cells with differing sensitivities to TPA.”
Does not settle: The abstract describes mouse basal-cell culture and carcinogenesis-related promoter responses, not skin repair or competition with damaged neighbors. It does not establish that functional keratinocytes have negative expansion capacity, that matrix repair or senescent-cell removal reverses it, or that epidermal selection normalizes interlayer signaling or dermal and other domains.
Suprabasal alpha6beta4 integrin expression in epidermis results in enhanced tumourigenesis and disruption of TGFbeta signalling. · Journal of cell science · 2003
“In cultured keratinocytes, suprabasal alpha6beta4 relieved TGFbeta-mediated growth inhibition and blocked nuclear translocation of activated Smad2/3.”
Does not settle: The abstract does not test skin repair, competition between functional basal keratinocytes and damaged neighbors, their relative expansion in wounded human epidermis, or whether changing matrix or senescent cells reverses it. Its mouse carcinogenesis and cultured-keratinocyte results do not establish normalization of dermal signaling or effects across the proposed domains.
Oncogenic activation of PI3K induces progenitor cell differentiation to suppress epidermal growth. · Nature cell biology · 2018
“oncogenic activation of PI3K in adult epidermis results in a cell autonomous suppression of symmetric renewal that drives reduced clonal expansion”
Does not settle: This mouse-epidermis result does not test whether competition among damaged neighbors is the chief barrier to human skin repair, whether matrix repair or senescent-cell removal changes basal keratinocyte expansion, or whether epidermal selection normalizes signals between skin layers or extends to the dermis and all five domains.
The gap this hypothesis explains
Nothing is known here: the question has not been asked of this system.
Do changes to skin scaffolding, persistently nondividing cells, or both restore five measures toward younger levels?
Original wording · exactly as the pipeline generated it
На что воздействовать в коже 50-летних: на связность матрикса, клеточную сенесценцию или обе мишени, чтобы приблизить все пять доменов к 30-летнему референсу; какое раздельное вмешательство установит причинно необходимую мишень?
What this question is asking
Skin aging involves both the supporting material around cells and changes in the cells themselves. The question asks whether changing the connectedness of that material, changing cellular senescence, or changing both can bring skin in 50-year-olds toward predefined ranges found in 30-year-olds across five domains, meaning five areas of assessment that the supplied input does not identify. It also asks whether existing work separates the effects of the two targets well enough to establish which change is necessary, rather than merely associated with improvement, and whether that change is sufficient by itself. The intended result must last for months without significant harm to skin function. The question assumes that mechanical, cellular, and between-layer connections make these plausible targets, that senescence has effects in opposing directions, and that an integrated human intervention has not already settled the issue; those assumptions require separate assessment.
- Extracellular matrix; matrix connectivity; skin scaffolding
- The extracellular matrix is material outside cells that provides structural support. Connectivity refers here to how that supporting material forms connected structures; it is distinct from the amount of one constituent and is not given an operational measurement in the supplied input.
- Cellular senescence; senescent cells
- S10 describes senescence as an irreversible halt in cell division. The question concerns this persistent cell state, not every cell that happens not to be dividing; the supplied material does not establish all of its proposed opposing effects.
- Five domains; endpoint
- A domain is an area of skin condition or function being assessed, while an endpoint is a measured outcome used to judge a result. The five domains in this question are unnamed, so they cannot be equated with another study’s five measurements.
- Reference range
- A reference range is a set of values used for comparison, here intended to represent skin at age 30. Such a range is an assessment convention, not a single universal state shared by all people of that age; no actual ranges are supplied.
- Causally necessary; sufficient; selective intervention
- A change is causally necessary for a specified result if that result cannot occur without it under the relevant conditions; it is sufficient if it can produce the result under those conditions. A selective intervention changes the target being assessed separately enough from competing targets to make their contributions distinguishable; none of the supplied records establishes the requested comparison.
- Marker; senescence marker; p16 INK4a
- A marker is a measurable feature used as evidence about a biological process rather than the process itself. p16 INK4a names the protein marker assessed in S7; fewer cells with high levels do not by themselves establish complete removal of senescence or whole-skin restoration.
- Collagen; collagen staining
- Collagen is a class of structural proteins in skin. Staining makes tissue components visible for assessment; the collagen-related result in S3 does not directly measure how the overall supporting network is connected.
- Collagen XVII alpha 1; boundary between skin layers
- Collagen XVII alpha 1 names the protein discussed in S2 in relation to the connection between skin layers. That boundary is the dermal–epidermal junction, where the outer epidermis meets the underlying dermis; its integrity is not equivalent to every property of the skin matrix.
- Dermis; epidermis; dermal
- The epidermis is the outer skin layer, and the dermis is the supporting layer beneath it. Dermal means relating to the dermis, the location of the cell-marker and structural findings described here.
- Matrix remodeling; stiffness; response to physical forces
- Matrix remodeling means changes in the supporting material around cells. Stiffness describes resistance to deformation, and cellular responses to physical forces connect mechanical conditions to cell behavior; S1 treats these as aspects of skin aging without resolving the proposed target comparison.
- Platelet exosomes; topical preparation
- Platelet exosomes are small cell-released packages derived from platelets, the blood components involved in clotting. A topical preparation is applied to the skin surface; this describes the intervention route in S7 without showing that its effects are selective for senescence.
- Mitochondria; mitochondrial dysfunction
- Mitochondria are structures inside cells involved in processing energy. Mitochondrial dysfunction means impaired functioning of those structures, one of the changes reported to improve in S5.
- Keratinocytes; cultured cells
- Keratinocytes are the main cells of the epidermis. Cultured cells are maintained outside the body, so changes in their staining or movement do not directly establish the behavior of intact human skin.
- Observational study; association; nonrandomized single-group study
- An observational study describes measurements without assigning the causal comparison at issue; an association means that measured features vary together. In a nonrandomized single-group study, participants are not assigned by chance to separate comparison groups, limiting what a treatment-associated change can establish about cause.
- Abstract; review; framework
- An abstract is a condensed account of a publication, a review discusses existing work, and a framework organizes related processes. S1 and S2 are supplied at abstract level, which further limits what can be established from their available content.
Mechanical, cellular, and between-layer connections make matrix connectivity and cellular senescence candidate targets for coordinated skin restoration; senescence has functions in opposing directions, and no integrated human intervention has established restoration across all five domains.
The matrix is the supporting material outside cells, while senescence is a persistent state in which cells stop dividing; the proposed comparison treats both as possible limits on how younger skin functions. It also assumes that this cell state can have opposing consequences and that no human intervention has already achieved the complete result. If established, these claims would explain why improvement in one process cannot automatically stand for restoration of the whole skin.
S1 places cellular senescence and changes in the extracellular matrix within a multilevel account of skin aging, and S2 connects weakening at the boundary between skin layers with sun-related aging and impaired repair. S10 also identifies senescence as a mechanism of age-related skin change. These sources support the narrower claim that both cellular state and supporting structure are relevant, not that either is necessary or sufficient for the specified outcome. The supplied excerpts do not establish beneficial and harmful functions of senescence in this setting. None of the screened records establishes the integrated human result, but that bounded finding does not prove that no such work exists anywhere. The five domains and their younger reference ranges are also unspecified in the input.S1S2S10
The same question asked without the part nothing read establishes:
- Does existing evidence establish whether changes in matrix connectivity, cellular senescence, or both are necessary to bring five defined areas of skin assessment in 50-year-olds toward predefined 30-year-old ranges for months without functional harm?
- Which reported changes in human skin structure or cellular senescence have been linked to sustained improvements in measured skin function, and which causal connections remain unestablished?
- Matrix change is necessary; senescence change is not Under this possible outcome, restoration would depend on changing the connected supporting structure, whereas a direct change to senescence would not be required. Improvement in senescence markers alone would therefore not establish that the required structural change had occurred. Matrix change could still require other changes before all five areas reached the younger ranges.
- Senescence change is necessary; matrix change is not Under this possible outcome, restoration would depend on altering the persistent nondividing cell state, whereas directly changing matrix connectivity would not be required. A better structural measurement alone would therefore not establish that the necessary cellular change had occurred. Other limits could still prevent senescence change alone from restoring every area.
- Both changes are necessary Under this possible outcome, leaving either the supporting structure or the cellular state unchanged would prevent the complete result. Improving only one could still change an individual measurement without restoring all five areas. Even joint necessity would not establish that the two changes together were sufficient or harmless.
- Neither is established as a necessary change This outcome could reflect restoration through other processes, failure to obtain the complete result, or evidence unable to separate the contributions of the two targets. Those possibilities have different biological meanings, so an absence of demonstrated necessity cannot be read as proof that either target is irrelevant. The practical conclusion would remain limited to whatever outcomes were actually measured.
The proposed causal chain starts with a change to the supporting material or to cell state, continues through changes in how cells and skin layers function together, and ends with improvement across all five specified areas. A rise in collagen staining or a fall in a senescence marker establishes a much narrower result than that chain. If either narrow result were treated as evidence of complete restoration, unchanged skin functions and an absence of lasting benefit could be overlooked. Necessity and sufficiency also differ: a change that must occur for restoration need not produce restoration on its own. The requested durability and freedom from functional harm therefore remain part of the outcome, rather than consequences that can be assumed from an early measurement.
RL-1/2: механические, клеточные и межслойные связи; сенесценция имеет разнонаправленные функции. Целостного человеческого вмешательства нет.
Причинное приближение всех пяти доменов к заранее заданным 30-летним диапазонам у 50-летних, сохраняющееся месяцами без значимого функционального вреда.
Не установлено, какая непосредственно изменяемая мишень необходима для согласованного восстановления органа и достаточно ли ее без воздействия на остальные ограничения.
The mechanism it proposes
The engine's own statement of the hypothesis, in full.
CROSS-DOMAIN TRANSFER. Главный ограничитель — отрицательная способность функционально пригодных базальных кератиноцитов расширяться среди поврежденных соседей. Исправление матрикса или удаление сенесцентных клеток полезны лишь если меняют знак этой способности; восстановление конкурентного отбора эпидермиса затем вторично нормализует межслойные сигналы. Причина — взаимодействия популяций, а не исходный процент «молодых» клеток. Предсказание распространения на дерму и все пять доменов остается спекулятивным.
Where the idea comes from
The hypothesis borrows a result from another field. This is what it borrows, and from where.
Экология сообществ: инвазионный критерий модели Лотки—Вольтерры. dN_Y/dt=N_Y(r_Y−a_YY N_Y−a_Y_D N_D); для редкой Y: λ_Y=r_Y−a_Y_D N_D*. N_Y — плотность функционально пригодных кератиноцитов; N_D — плотность поврежденных конкурентов; t — время; r_Y — чистый рост Y без конкурентов; a_YY и a_Y_D — внутригрупповое и межгрупповое подавление на единицу плотности; N_D* — плотность резидентов перед проверкой. λ_Y>0 предсказывает расширение Y. Коэффициенты оцениваются, а не назначаются по возрасту. Это проверяемое приближение, без заявления об установленном законе кожи.
Testing and possible results
The prediction that would tell it apart
A hypothesis that predicts what its rivals predict is not worth running an experiment over. This is the observation on which this one differs.
При одинаковом начальном составе и средних уровнях сенесценции знак независимо оцененного роста редких функционально пригодных клеток предсказывает последующее восстановление эпидермиса и запаздывающий ответ дермы. Изменение только конкурентного взаимодействия должно изменить исход. Если положительный рост и функциональное обновление эпидермиса подтверждены, но дерма и упругость устойчиво остаются возрастными, гипотеза единого экологического ограничителя опровергнута.
States a measurable outcome; comparing rivals needs more conditions. The prediction links independently assessed growth to subsequent epidermal recovery and a delayed dermal response under stated conditions. It also specifies a rejection condition: confirmed positive growth and epidermal renewal with persistently aged dermis and elasticity. No rival prediction is supplied. Only a bench experiment would settle it.
What testing it would take
The engine's own read on whether this is testable with methods that already exist.
Концептуально проверяется в смешанных моделях эпидермиса с продольным отслеживанием клеток; затем — в многослойной человеческой ткани. Размеры и судьбы клонов оценивают вместе с атипией, чтобы не принять экспансию поврежденного клона за восстановление.
Other explanations
Every other hypothesis the engine wrote for the same gap, and the observation that would separate the two.
При одинаковом начальном составе и средних уровнях сенесценции знак независимо оцененного роста редких функционально пригодных клеток предсказывает последующее восстановление эпидермиса и запаздывающий ответ дермы. Изменение только конкурентного взаимодействия должно изменить исход. Если положительный рост и функциональное обновление эпидермиса подтверждены, но дерма и упругость устойчиво остаются возрастными, гипотеза единого экологического ограничителя опровергнута.
- Rival 01 of 04What would separate them
Loss of senescent fibroblasts’ protective secretions may impair lasting skin restoration predicts: При одинаково подтвержденной коррекции матрикса удаление функционально определенной защитной сенесцентной подгруппы ухудшает поздний эластический возврат и качество ремонта; восстановление ее секреторной функции без уменьшения числа сенесцентных клеток восстанавливает их и барьер. Полное устойчивое восстановление после удаления этой подгруппы, при отсутствии ее замещения, опровергает заявленную необходимость. Одного роста коллагена недостаточно.
- Rival 02 of 04What would separate them
Averaging, swelling or early sampling may make independent skin improvements look coordinated predicts: После подтвержденных селективных воздействий и их сочетания повторяемо сохраняется разобщение: улучшение упругости не предсказывает нормализацию барьера или восстановления, а общий индекс скрывает хотя бы один устойчивый дефицит. Любой один причинно селективный механизм, воспроизводимо нормализующий каждый домен с сохранением результата после прекращения воздействия, опровергает сильную версию этой гипотезы. Неудача единственного препарата ее не подтверждает.
- Rival 03 of 04Mistimed renewal between skin layers may limit repair by missing windows of responsiveness
Not yet published.
What would separate themMistimed renewal between skin layers may limit repair by missing windows of responsiveness predicts: При одинаковой суммарной активности клеток и неизменных сенесцентной нагрузке и исходной механике восстановление нормальной относительной фазы улучшает совместное восстановление барьера и тканевого качества; одинаковый сдвиг обеих фаз без исправления их разности не помогает. Если относительная фаза нормализована и сохраняется, но комплексный исход не меняется, гипотеза причинного фазового ограничения опровергнута. Эффект должен оставаться при усреднении измерений за полный суточный цикл.
- Rival 04 of 04What would separate them
Mistaking background genetic signals for damage may keep skin defending instead of repairing predicts: При сохраненных механических свойствах, численности клеточных групп и относительных фазах специфическое уменьшение фонового cGAS–STING-сигнала должно восстановить функциональный ответ; при этом реакция на независимую валидированную иммунную пробу должна сохраняться. Снижение воспалительных маркеров без улучшения функций либо исключительно ценой потери защитного ответа опровергает гипотезу полезного исправления классификации. Отсутствие эффекта при доказанном подавлении ложного сигнала опровергает его достаточность.
What stands behind it
Which of the figures above have a study behind them, which are the engine's own, and what it would take to refute the hypothesis. This audit never judges the idea.
This hypothesis states no figure and cites no study, so there is nothing here to trace.
What it would take to refute it. Nothing already retrieved carries the prediction’s terms and it names no measurement this layer can route to a public dataset, so the bench is the residual — not a finding against it.
0 citation handles extracted; 1 Europe PMC search run; 0 records examined; 0 sources stored for enrichment, 0 with full text. A citation that did not resolve is a bibliographic failure, not proof that no such paper exists, and no hypothesis is blocked by this audit.