Document Detail


Conjunction benefits and costs reveal decision priming for first-order and second-order features.
MedLine Citation:
PMID:  18078231     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Across two experiments, decision priming was examined for conjunctions composed of first-order or first- and second-order stimulus features. Observers indicated the presence or absence of one or two features in a Gabor stimulus. When a pair of stimulus features differed in their speed of discrimination, responses indicating the presence of a conjunction were faster than those for the single feature for which discrimination was slowest (conjunction benefits). Also, responses indicating the absence of a conjunction were delayed if one of the features was present (conjunction costs). These results show that first- and second-order features can prime decisions about the presence of a conjunction and suggest that the two kinds of signals can be combined at a decision stage after the discrimination of stimulus properties has begun for each system.
Authors:
Lisa R Fournier; Robert Patterson; Brian P Dyre; Matthew Wiediger; Ryan Winters
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Perception & psychophysics     Volume:  69     ISSN:  0031-5117     ISO Abbreviation:  Percept Psychophys     Publication Date:  2007 Nov 
Date Detail:
Created Date:  2007-12-14     Completed Date:  2008-01-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0200445     Medline TA:  Percept Psychophys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1409-21     Citation Subset:  IM    
Affiliation:
Department of Psychology, Washington State University, Pullman, Washington 99164-4820, USA. fournier@wsunix.wsu.edu
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MeSH Terms
Descriptor/Qualifier:
Cues
Decision Making*
Discrimination (Psychology)*
Humans
Reaction Time*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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