Abstract:
:There is a widely accepted notion that movement elements are assembled prior to movement execution in a central motor programming stage. However, it is not clear how this stage is structured-whether it is a unitary stage allowing different motor parameters to cross talk or whether there are several independent processes dealing with each motor parameter. We addressed this question by orthogonally manipulating two movement-related factors: response sequence complexity and movement duration. Both factors yielded main effects on reaction time but no interaction. Additive effects of both factors on the onsets of response- but not stimulus-synchronized lateralized readiness potentials suggest separable motoric loci of sequence complexity and duration. These findings are at variance with the notion of a unitary movement programming stage.
journal_name
Psychophysiologyjournal_title
Psychophysiologyauthors
Xu L,Sommer W,Masaki Hdoi
10.1111/psyp.12296subject
Has Abstractpub_date
2015-01-01 00:00:00pages
149-55issue
1eissn
0048-5772issn
1540-5958journal_volume
52pub_type
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