CBU bibliography

Endogenous versus exogenous engagement of sustained attention: An fMRI study

CBU number:	6108
Authors:	O'Connor, C., Robertson, I.H., MANLY, T., Hevenor, S.J., Levine, B
Reference:	Clinical Neuropsychologist, 17, 117
Year of publication:	2003
Abstract text:	We studied the functional neuroanatomy of sustained attention in healthy adults using the Sustained Attention to Response Task (SART) and fMRI. Alerting tones were administered in a counterbalanced fashion to examine the effects of exogenous engagement of the sustained attention system. The SART engaged a right-lateralized frontoparietal-thalmic system. Alerting tomes reduced this activation, indicating a reduction ion the reliance of top-down endogenous control of this system. Our findings suggest a neural substrate for the positive effects of exogenous stimulation on patients' sustained attention performance.
First CBU author:	MANLY, T
Keywords:	Conference Proceedings and Published Abstracts

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