Human brain regions required for the dividing and switching of attention between two features of a single object
Barrett, N. A., Large, M. M., Smith, G. L., Karayanidis, F., Michie, P.T, Kavanagh, D. J., Fawdry, R., Henderson, D., & O'Sullivan, B. T. (2003) Human brain regions required for the dividing and switching of attention between two features of a single object. Cognitive Brain Research, 17, pp. 1-13.
This combined PET and ERP study was designed to identify the brain regions activated in switching and divided attention between different features of a single object using matched sensory stimuli and motor response. The ERP data have previously been reported in this journal . We now present the corresponding PET data. We identified partially overlapping neural networks with paradigms requiring the switching or dividing of attention between the elements of complex visual stimuli. Regions of activation were found in the prefrontal and temporal cortices and cerebellum. Each task resulted in different prefrontal cortical regions of activation lending support to the functional subspecialisation of the prefrontal and temporal cortices being based on the cognitive operations required rather than the stimuli themselves.
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|Item Type:||Journal Article|
|Keywords:||PET, Working memory, Visual attention, Divided attention, Switching attention, Neural basis of behaviour, Cognition, Prefrontal cortex, Temporal cortex, Cerebellum, Visual stimuli|
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health|
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Psychology & Counselling
|Deposited On:||09 Dec 2009 09:12|
|Last Modified:||01 Mar 2012 00:10|
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