Response priming driven by local contrast, not subjective brightness

Schmidt, Miksch, Bulganin, Jäger, Lossin, Jochum, Kohl · Attention, Perception, & Psychophysics · 2010 · cognitive-psychology · 10.3758/app.72.6.1556 · record Schmidt2010-response-priming-driven-by-local-contrast-no
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Other fields define these differently the same word, defined another way in another discipline
brightness 2 fields

Tags on this paper

Every tag the record carries, each linking to every other paper in the corpus that carries it. A tag appears here whether or not its words occur in the article — the spans below are only the ones a sentence in this paper licenses. Of the 4 concept tags on this paper, all 4 are grounded in a quoted sentence. All carry the tagger's gloss of what the term means in this paper, which is not something the article can license.
response priming subjective brightness local luminance contrast lightness constancy The feedforward sweeps triggered in turn by flankers and targets still carry only local contrast information, so motor activation is driven by raw local contrast while conscious brightness is settled later by recurrent interactions. Conscious lightness and brightness are computed later, by recurrent processing that trails the initial feedforward wave. Response priming accesses a stimulus representation that precedes lightness constancy, i.e. one that has not yet discounted illumination. Placing the high-luminance flanker on the lighted segment turns it into a local decrement (and the low-luminance flanker on the shadowed segment into a local increment), which is what inverts the priming sign. rapid-chase theory of response priming priming effects lightness brightness light–shadow contrast RT luminance levels repeated-measures ANOVA Repeated measures ANOVAs Greenhouse-Geisser correction Greenhouse–Geisser-corrected p values arcsine transformation arcsine transformed standard error of the mean standard errors of the means corrected for intersubject variance behavioural-experiment

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relation to other workclaim_relationshow this paper stands to another: agrees, contradicts, extends, qualifies
claim typeclaim_typethe shape of the claim: existence, mechanism, method, critique, prediction, null
concept edgeconcept_edgesan asserted relation between two concepts, with the sentence asserting it
conceptconceptsan idea the paper works with, quoted where the paper uses it
content tagcontent_tagsa finding, definition, quantity, statistic or variable named in the paper
controlcontrolsan experiment run to eliminate a rival explanation
limitationlimitationswhat the paper says its evidence cannot support
mechanismmechanismshow the reported effect is said to come about
methodmethodhow the paper produced its evidence
phenomenonphenomenonthe effect or regularity under study
sensesensesa distinct use of a term, quoted where the paper fixes it

The paper

The full text is not reproduced here. This article is not cleared for redistribution, so the page carries the tag layer only. Its evidence sentences are withheld; the grounding status remains with each tag, and the article itself is at https://doi.org/10.3758/app.72.6.1556. The reading view exists for the papers whose licence permits it.

Every tag on this page

claim_relations 4 · claim_type 1 · concept_edges 2 · concepts 4 · content_tags 25 · controls 1 · limitations 2 · mechanisms 4 · method 1 · phenomenon 1 · senses 4

Relations on this page carry a quotation for the claim. Where a relation was separately evidenced — and so tested against the vocabulary for its type — the row says so; none of 2 relations here carry that mark. The rest are the tagger’s reading of the sentence quoted beside them.

facettagfieldconf.whose words
claim_typemechanism
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claim_typethe paper's words
phenomenonresponse priming by luminance flankers
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phenomenonthe paper's words
methodbehavioural-experiment
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methodthe paper's words
mechanismsmechanisms
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mechanisms[0]the tagger's words
mechanismsmechanisms
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mechanisms[1]the tagger's words
mechanismsmechanisms
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mechanisms[2]the tagger's words
mechanismsmechanisms
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mechanisms[3]the tagger's words
limitationsExperiments 1 and 2 leave open the alternative that participants judged targets by local contrast sign rather than brightness (addressed only by Experiment 3).
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limitations[0]the tagger's words
limitationsThe dissociation licenses only the weaker conclusion that some aspects of lightness constancy are missing from response activation, not that constancy is wholly absent.
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limitations[1]the tagger's words
controlsa whole experiment (Experiment 3) built to test the local-contrast-sign account
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eliminates: that responses are driven by the local contrast sign of the target rather than by the primed response · outcome (stated by the tagger, no quotation): held
controls[0]0.95the tagger's words
conceptsresponse priming
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concepts[0]0.95the paper's words
conceptssubjective brightness
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concepts[1]0.95the paper's words
conceptslocal luminance contrast
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concepts[2]0.95the paper's words
conceptslightness constancy
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concepts[3]0.95the paper's words
sensesA QUALITATIVE DISSOCIATION, AND IT IS A REVERSAL RATHER THAN AN ATTENUATION: `Quotation withheld.` Not a smaller effect in one condition - the sign flips, while the observer's own brightness match goes the other way. A quantitative dissociation can be argued about with a power analysis; a reversal cannot
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senses[0]0.95the tagger's words
sensesAND THE CONTROL THAT MAKES THIS DIFFERENT IN KIND FROM EVERY OTHER DISSOCIATION IN THIS CORPUS: `Quotation withheld, and it relies solely on characteristic differences in processing dynamics between the priming and matching tasks.` dehaene1998 flashes a numeral for 43 ms between masks; marcel1983, holcomb2005 and Finkbeiner2011 all argue about whether the prime was seen. This paper lets the observer look straight at it. So the gap is not between seen and unseen but between two live representations of one visible stimulus - which is a different claim, needing none of the machinery the awareness literature spends its credibility on
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senses[1]0.95the tagger's words
sensesTHE CLAIM IS A TRIPLE NEGATIVE THAT NAMES ITS WINNER: `Quotation withheld` The two excluded candidates are the physical variable and the perceptual variable - between them, everything anyone would have guessed - and each was excluded by a measurement rather than by an argument. The third is named, and it is a property of the stimulus's relation to its own neighbourhood
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senses[2]0.95the tagger's words
sensesAND THE INFERENCE IS CAREFULLY PARTIAL: `If priming effects are in systematic disagreement with the flankers' perceived brightness values, this suggests that at least some aspects of lightness constancy are absent from the response activation process.` `at least some aspects` and `suggests` are both in the quote, and they are the difference between this and a claim that the motor pathway is pre-constancy. The illusion used here IS a consequence of lightness constancy - the authors say so - so its failure to reach the response is evidence about one pathway, not a map of the visual system
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senses[3]0.95the tagger's words
claim_relationsbuilds-on → Moore and Brown (2001), visual search under a dark transparent filter
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claim_relations[0]the tagger's words
claim_relationscontradicts → physiological studies reporting that subjective lightness is signalled early in the hierarchy (MacEvoy & Paradiso, 2001; Rossi & Paradiso, 1999; Rossi, Rittenhouse, & Paradiso, 1996)
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claim_relations[1]the tagger's words
claim_relationscontradicts → Breitmeyer, Ro, and Singhal (2004), the proposal that response priming is based on raw physical stimulus characteristics rather than perceived color; the authors explicitly adopt a "less radical view" in the next sentence
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about this quote: 2026-08-16: FAILED GLYPH INSIDE THIS QUOTE. Two failed glyphs inside a surname: the staged text reads "Breitmeyer, Ö(cid:120)(cid:129) men, & Chen, 2004". The author is Haluk Ogmen (O-with-diaeresis, g-with-breve), and the extraction lost both diacritic characters and left the raw font codes with a stray space. This affects only the CITED NAME, not the claim: the sentence's assertion about response priming and raw physical stimulus characteristics is intact. The quote is an exact substring of the staged file; the file is incomplete here, not the tag.
claim_relations[2]the tagger's words
claim_relationsbuilds-on → the rapid-chase model of response priming (Schmidt et al., 2006; Schmidt & Schmidt, 2009)
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claim_relations[3]the tagger's words
concept_edgeslocal luminance contrast —causes→ response priming
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direction on the measure: increases · strength of the relation: 0.95 · note: 'EXCLUSIVELY' IS IN THE QUOTE AND IT IS THE WHOLE CLAIM. Two rival causes are named and excluded in the same sentence - physical luminance and subjective brightness - so this is not 'X is associated with Y' but 'X and not the two things you would have guessed'. Weight 0.95: the general discussion's opening sentence, resting on a systematic variation of the illusion rather than on one contrast. 'increases' means more local contrast in the priming direction yields more priming, and the reversal condition is the same relation with the contrast sign flipped. Audit 2026-09-28: DOUBTFUL - read against its full span and kept, but priming 'seems to depend exclusively on' local contrast; hedged, and no direction is stated.
concept_edges[0]0.95the tagger's words
concept_edgesresponse priming —distinct-from→ subjective brightness
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strength of the relation: 0.95 · note: A REVERSAL, NOT AN ATTENUATION, AND THAT IS WHY THIS EARNS 0.95. 'distinct-from' usually records that two concepts are not the same thing; here the quote shows them moving in OPPOSITE directions on the same stimulus - one flanker appears brighter and primes as if darker. And the second sense is what makes it valuable: no masking, no brief presentation, the stimuli in plain view. Every other dissociation in this corpus separates a seen thing from an unseen thing; this separates two representations of a thing the observer is looking at.
concept_edges[1]0.95the tagger's words
content_tagsrepeated-measures ANOVA
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content_tags.statistics[0]the tagger's words
content_tagsGreenhouse-Geisser correction
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content_tags.statistics[1]the tagger's words
content_tagsarcsine transformation
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content_tags.statistics[2]the tagger's words
content_tagsstandard error of the mean
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content_tags.statistics[3]the tagger's words
content_tagsWhen the illusion made the two flankers look similar in brightness, the priming effect reversed sign: consistent flankers slowed responses and inconsistent flankers speeded them.
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content_tags.findings[0]the tagger's words
content_tagsThe same flanker could look brighter than its partner while priming the response assigned to the darker stimulus.
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content_tags.findings[1]the tagger's words
content_tagsBrightness matching never reversed: the physically more luminant flanker was always judged the brighter one in every illusion condition.
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content_tags.findings[2]the tagger's words
content_tagsVarying the light-to-shadow ratio showed that priming flipped sign in exactly the conditions where each flanker's contrast against its own background flipped from increment to decrement.
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content_tags.findings[3]the tagger's words
content_tagsExperiment 3 replicated the pattern with changed targets: priming strongly positive in enhancement conditions and reversed in attenuation conditions.
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about this quote: THE QUOTE STOPS WHERE THE EXTRACTED TEXT IS INTERRUPTED: after its last word the text runs into the page's running head and number, garbled in the extraction ('1566 SSCHMI 1566 CHMIDT ET AL…'), and then a figure's labels ('Attenuation Enhancement…'), so the words that completed the sentence are not continuous with it and are not quoted.
content_tags.findings[4]the tagger's words
content_tagsOverall, response priming tracked neither the flankers' physical luminance nor their perceived brightness, but only their local luminance contrast against the immediately surrounding background.
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content_tags.findings[5]the tagger's words
content_tagsThe priming-perception dissociation was obtained with all stimuli fully visible, without masking or brief presentation.
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content_tags.findings[6]the tagger's words
content_tagslightness constancy
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content_tags.definitions[1]the tagger's words
content_tagsrapid-chase theory of response priming
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content_tags.definitions[2]the tagger's words
content_tagspriming effects
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content_tags.definitions[3]the tagger's words
content_tagslightness
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also in: lightness
content_tags.definitions[4]the tagger's words
content_tagsbrightness
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also in: brightness
content_tags.definitions[5]the tagger's words
content_tagslight–shadow contrast
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content_tags.variables[1]the tagger's words
content_tagsRT
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also in: RT
content_tags.variables[2]the tagger's words
content_tagsluminance levels
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content_tags.variables[4]the tagger's words
content_tagsEight — participants in Experiment 1
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content_tags.quantities[0]the tagger's words
content_tags1.0, 34.2, and 11.1 cd/m2 — luminances of the shadowed, lighted and neutrally illuminated segments of the folded plane in Experiment 1
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content_tags.quantities[1]the tagger's words
content_tags17, 33, 50, 67, or 83 msec — the flanker-target SOAs used in Experiment 1
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content_tags.quantities[2]the tagger's words
content_tags0.19% — share of Experiment 1 trials discarded as RT outliers
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content_tags.quantities[3]the tagger's words
content_tagsseven steps (light–shadow contrast between 1.6 and 336.3) — range over which the light-to-shadow luminance ratio was varied in Experiment 2
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content_tags.quantities[4]the tagger's words
content_tagsabout 30 msec — how much faster responses were to mixed target pairs than to all-decrement or all-increment pairs in Experiment 3
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content_tags.quantities[5]the tagger's words

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