Journal
NEUROPSYCHOLOGY
Volume 22, Issue 6, Pages 787-799Publisher
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/a0013712
Keywords
sustained attention; rat; human; distraction; cross-species
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Funding
- PHS [K02 MH01072]
- National Science Foundation (NSF)
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Substantial gains have been made on the neurobiology of attention from systems neuroscience work in animal models and human cognitive neuroscience. However, the integration of rodent-based research on the specific neurotransmitter systems that subserve attention with the results from human behavioral and neuroimaging studies has been hampered by the lack of tasks that validly assess attention in both species. To address this issue, an operant Sustained attention task that has been extensively used in research on the neurobiology of attention in rats was redesigned and validated for use in humans. Although humans showed better performance overall, the two species showed similar effects of several attention-related variables. including the introduction of distractor-related challenge. This task provides a useful tool for integrative, cross-species research and may help to determine how specific neurotransmitter systems contribute to the hemodynamic changes observed in human functional neuroimaging experiments.
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