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- 2Boldness
- 2Cerebral lateralization
- 2Convict cichlid
- 2Personality
- 1Archocentrus nigrofaciatus
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Aggressiveness, boldness, and lateralization: an investigation of personality by sex and alternative male morph in Pelvicachromis pulcher
DownloadSpring 2015
Animal personality, patterns of behavior that are consistent across time and contexts, is a growing area of study and has been documented in a wide array of species. Some personality traits show sex differences. Recent work on the kribensis cichlid (Pelvicachromis pulcher) suggests that some...
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Does methylation of the brain promoter region of Cyp19 impact the development of sex-typical psychological traits?
DownloadFall 2017
While humans demonstrate sexually differentiated psychological and behavioural traits, such as aggression, there is a vast amount of within-sex variation for these traits. Further, the effect size of these sex differences is relatively small and there is a large amount of overlap between males...
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Fall 2020
Early life exposure to stress can have life-long effects on an organism. These effects may be detrimental, or they may be adaptive if they allow the organism to develop an adult phenotype which better matches the environment predicted by the stressor. Early life stress influences many traits,...
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Sex, personaltiy and individual differences in cerebral lateralization in the convict cichlid
DownloadFall 2009
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...
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Size, Sex, and Stress: Factors affecting lateralized behaviour and boldness in the convict cichlid (Amatitlania nigrofasciata)
DownloadFall 2014
Cerebral lateralization, the partitioning of cognitive functions preferentially into one hemisphere of the brain, is a trait ubiquitous among vertebrates. Although this trait is pervasive, not all individuals show the same degree or direction of lateralized behaviour. Individual differences in...