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Conscious and subconscious sensorimotor synchronization--prefrontal cortex and the influence of awareness.

Abstract：

:One of the most compelling challenges for modern neuroscience is the influence of awareness on behavior. We studied prefrontal correlates of conscious and subconscious motor adjustments to changing auditory rhythms using regional cerebral blood flow measurements. At a subconscious level, movement adjustments were performed employing bilateral ventral mediofrontal cortex. Awareness of change without explicit knowledge of the nature of change led to additional ventral prefrontal and premotor but not dorsolateral prefrontal activations. Only fully conscious motor adaptations to a changing rhythmic pattern showed prominent involvement of anterior cingulate and dorsolateral prefrontal cortex. These results demonstrate that while ventral prefrontal areas may be engaged in motor adaptations performed subconsciously, only fully conscious motor control which includes motor planning will involve dorsolateral prefrontal cortex.

journal_name

Neuroimage

journal_title

NeuroImage

authors

Stephan KM,Thaut MH,Wunderlich G,Schicks W,Tian B,Tellmann L,Schmitz T,Herzog H,McIntosh GC,Seitz RJ,Hömberg V

doi

10.1006/nimg.2001.0929

keywords:

subject

Has Abstract

pub_date

2002-02-01 00:00:00

pages

345-52

issue

2

eissn

1053-8119

issn

1095-9572

pii

S1053811901909292

journal_volume

15

pub_type

杂志文章

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