English
 
Help Privacy Policy Disclaimer
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
  Lateralized category-specific cognition in a “people-present/people- absent” discrimination task by pigeons

Seid-Fatemi, A., Adam, R., Freund, N., & Güntürkün, O. (2009). Lateralized category-specific cognition in a “people-present/people- absent” discrimination task by pigeons. Poster presented at 8th Göttingen Meeting of the German Neuroscience Society, 32nd Göttingen Neurobiology Conference, Göttingen, Germany.

Item is

Files

show Files

Creators

show
hide
 Creators:
Seid-Fatemi, A, Author
Adam, R1, 2, Author           
Freund, N, Author
Güntürkün, O, Author
Affiliations:
1Research Group Cognitive Neuroimaging, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497804              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

Content

show
hide
Free keywords: -
 Abstract: Herrnstein and Loveland (1964) showed that pigeons are capable of people-present/people-absent concept
discrimination. Yamazaki et al. (2007) suggested that the use of concept-based strategy is lateralized in
birds. In their study birds showed categorization superiority with the right eye (left hemisphere). To further
our understanding of the role of each hemisphere in categorization behaviour, we examined concept
discrimination in birds while one hemisphere or the other was deactivated. Pigeons were trained in a go/no-
go procedure to discriminate pictures of humans and to transfer to novel exemplars. To examine which
hemisphere was involved in categorization, an additional transfer test was conducted
while the left or the
right entopallium was blocked with Tetrodotoxin. On the transfer test, the birds were tested with both
previously learned as well as novel people-present/people- absent instances. Discrimination of learned
stimuli was not impaired when either the left or the right hemisphere was blocked. However, concept
discrimination of the novel instances was impaired when the left hemisphere was blocked, although they
still performed the discrimination above chance. This suggests that the left hemisphere was superior in
category-specific processing, whereas the right hemisphere is just capable of discriminating between the
known stimuli, thus relaying on a memorization strategy. Our findings of an asymmetrical cognitive
architecture in birds are largely shared with humans and might have a long phylogenetic history.

Details

show
hide
Language(s):
 Dates: 2009-03
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: -
 Degree: -

Event

show
hide
Title: 8th Göttingen Meeting of the German Neuroscience Society, 32nd Göttingen Neurobiology Conference
Place of Event: Göttingen, Germany
Start-/End Date: 2009-03-25 - 2009-03-29

Legal Case

show

Project information

show

Source 1

show
hide
Title: 8th Göttingen Meeting of the German Neuroscience Society, 32nd Göttingen Neurobiology Conference
Source Genre: Proceedings
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: - Sequence Number: T24-8C Start / End Page: 1179 Identifier: -