Cerebral blood flow PET scans and high-density event-related potentials (ERPs) were recorded (separate sessions) while subjects viewed rapidly-presented, lower-visual-field, bilateral stimuli. Active attention to a designated side of the stimuli (relative to passive-viewing conditions) resulted in a
Visual spatial attention: Integration of PET and ERP data
โ Scribed by Woldorff, M.G.; Fox, P.T.; Matzke, M; Lancaster, J.L.; Veeraswamy, S; Zamarripa, F; Seabolt, M; Glass, T; Gao, J.H.; Martin, C.C.
- Book ID
- 122717605
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 134 KB
- Volume
- 3
- Category
- Article
- ISSN
- 1053-8119
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In two prior studies, we investigated the neural mechanisms of spatial attention using a combined event-related potential (ERP) and positron emission tomography (PET) approach (Heinze et al. [1994]: Nature 392:543-546; Mangun et al. [1997]: Hum Brain Mapp 5:273-279). Neural activations in extrastria
In a previous study using positron emission tomography (PET), we demonstrated that focused attention to a location in the visual field produced increased regional cerebral blood flow in the fusiform gyrus contralateral to the attended hemifield (Heinze et al. [1994]: Nature 372:543). We related thes