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Effects of cholinergic enhancement on visual stimulation, spatial attention, and spatial working memory.

Abstract:

We compared behavioral and neural effects of cholinergic enhancement between spatial attention, spatial working memory (WM), and visual control tasks, using fMRI and the anticholinesterase physostigmine. Physostigmine speeded responses nonselectively but increased accuracy selectively for attention. Physostigmine also decreased activations to visual stimulation across all tasks within primary visual cortex, increased extrastriate occipital cortex activation selectively during maintained atten...

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Authors


Bentley, P More by this author
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Institution:
University of Oxford
Department:
Oxford, MSD, Clinical Neuroscience
Journal:
Neuron
Volume:
41
Issue:
6
Pages:
969-982
Publication date:
2004-03-05
DOI:
EISSN:
1097-4199
ISSN:
0896-6273
URN:
uuid:1cd21af4-44eb-47d1-b8f1-4deec92d60cf
Source identifiers:
365300
Local pid:
pubs:365300

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