Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2010-6-29
pubmed:abstractText
Five pigeons were trained in a delayed matching-to-sample task with red and green stimuli. The retention interval between sample-stimulus presentation and the availability of the choice stimuli was varied between 0.01 s and 12 s within each session. The probability of food produced by correct-red and correct-green responses was varied across conditions. Sample-stimulus discriminability and response bias were measured at four different retention intervals. The results of these analyses showed an interaction between the discriminability of the sample stimuli and the control exerted by differential reinforcement. At longer retention intervals, sample discriminability decreased and sensitivity of choice behavior to changes in the red/green reinforcer ratio increased. An analogous relation has been reported in conditional discriminations in which the physical disparity of stimuli has been varied. This correspondence suggests that increasing the delay between presentation of one of two stimuli and an opportunity to respond discriminatively to it may be functionally similar to increasing the physical similarity of the two stimuli.
pubmed:commentsCorrections
http://linkedlifedata.com/resource/pubmed/commentcorrection/16812662-16811782, http://linkedlifedata.com/resource/pubmed/commentcorrection/16812662-16812059, http://linkedlifedata.com/resource/pubmed/commentcorrection/16812662-16812424, http://linkedlifedata.com/resource/pubmed/commentcorrection/16812662-16812530, http://linkedlifedata.com/resource/pubmed/commentcorrection/16812662-16812580, http://linkedlifedata.com/resource/pubmed/commentcorrection/16812662-1940763, http://linkedlifedata.com/resource/pubmed/commentcorrection/16812662-1940764, http://linkedlifedata.com/resource/pubmed/commentcorrection/16812662-2723577, http://linkedlifedata.com/resource/pubmed/commentcorrection/16812662-2966230, http://linkedlifedata.com/resource/pubmed/commentcorrection/16812662-3625105, http://linkedlifedata.com/resource/pubmed/commentcorrection/16812662-3958662, http://linkedlifedata.com/resource/pubmed/commentcorrection/16812662-6481301, http://linkedlifedata.com/resource/pubmed/commentcorrection/16812662-6747556, http://linkedlifedata.com/resource/pubmed/commentcorrection/16812662-7175430
pubmed:language
eng
pubmed:journal
pubmed:status
PubMed-not-MEDLINE
pubmed:month
Jul
pubmed:issn
0022-5002
pubmed:author
pubmed:issnType
Print
pubmed:volume
58
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
159-72
pubmed:dateRevised
2010-9-14
pubmed:year
1992
pubmed:articleTitle
Sample-stimulus discriminability and sensitivity to reinforcement in delayed matching to sample.
pubmed:publicationType
Journal Article