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Author (up) Reddon, A.R.; Hurd, P.L. url  doi
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  Title Acting unilaterally: Why do animals with strongly lateralized brains behave differently than those with weakly lateralized brains? Type Journal Article
  Year 2009 Publication Bioscience Hypotheses Abbreviated Journal  
  Volume 2 Issue 6 Pages 383-387  
  Keywords Cerebral lateralization; Individual variation; Personality; Habenula; Dorsal-diencephalic conduction system  
  Abstract Cerebral lateralization was once thought to be unique to humans, but is now known to be widespread among the vertebrates. Lateralization appears to confer cognitive advantages upon those that possess it. Despite the taxonomic ubiquity and described advantages of lateralization, substantial individual variation exists in all species. Individual variation in cerebral lateralization may be tied to individual variation in behaviour and the selective forces that act to maintain variation in behaviour may also act to maintain variation in lateralization. The mechanisms linking individual variation in the strength of cerebral lateralization to individual variation in behaviour remain obscure. We propose here a general hypothesis which may help to explain this link. We suggest that individuals with strong and weak lateralizations behave differently because of differences in the ability of one hemisphere to inhibit the functions of the other in each type of brain organization. We also suggest a specific mechanism involving the asymmetric epithalamic nucleus, the habenula. We conclude by discussing some predictions and potential tests of our hypothesis.  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1756-2392 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 5417  
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