Linked Life Data

11160763

Source:http://linkedlifedata.com/resource/pubmed/id/11160763

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2001-2-22
pubmed:abstractText
During foraging, animals can increase their success by both remembering feeding sites and remembering food-related object cues. Because earlier studies have tested either the site or object memory in isolation, the aim of the present study was to evaluate how efficiently birds can utilize both memories simultaneously. Furthermore, the idea was tested that lateralization might be the principle of brain organization that allows for efficient parallel processing. Pigeons learned to search for food in a complex maze with 16 baited sites. To obtain the maximum reward they had to perform two tasks in parallel, a spatial working memory task and an object-specific working memory task. Birds performed well on this dual task but, compared with spatial working memory alone, they were impaired during the first choices of a trial (Experiment 1). When the left and the right brain hemispheres were tested separately by means of monocular occlusion (Experiment 2), object discrimination was better when birds used their right eye/left hemisphere. This was most pronounced during the first choices of a trial. On the spatial component of the task, performance on binocular trials was better than on monocular trials, but monocularly both hemispheres performed at the same level. Results show that on this dual task, discrimination of food-related object cues predominantly involved the left brain hemisphere whereas both hemispheres contributed equally to spatial performance.
pubmed:commentsCorrections
http://linkedlifedata.com/resource/pubmed/commentcorrection/11160763-10525173, http://linkedlifedata.com/resource/pubmed/commentcorrection/11160763-10688200, http://linkedlifedata.com/resource/pubmed/commentcorrection/11160763-10996079, http://linkedlifedata.com/resource/pubmed/commentcorrection/11160763-11125736, http://linkedlifedata.com/resource/pubmed/commentcorrection/11160763-2314561, http://linkedlifedata.com/resource/pubmed/commentcorrection/11160763-2771032, http://linkedlifedata.com/resource/pubmed/commentcorrection/11160763-3606815, http://linkedlifedata.com/resource/pubmed/commentcorrection/11160763-3767825, http://linkedlifedata.com/resource/pubmed/commentcorrection/11160763-4009126, http://linkedlifedata.com/resource/pubmed/commentcorrection/11160763-493285, http://linkedlifedata.com/resource/pubmed/commentcorrection/11160763-6045339, http://linkedlifedata.com/resource/pubmed/commentcorrection/11160763-8003246, http://linkedlifedata.com/resource/pubmed/commentcorrection/11160763-8880736
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:issn
1072-0502
pubmed:author
pubmed:issnType
Print
pubmed:volume
8
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
44-51
pubmed:dateRevised
2009-11-18
pubmed:meshHeading
pubmed:articleTitle
Parallel working memory for spatial location and food-related object cues in foraging pigeons: binocular and lateralized monocular performance.
pubmed:affiliation
AE Biopsychologie, Ruhr-Universität Bochum, D-44780 Bochum, Germany. helmut.prior@ruhr-uni-bochum.de
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't