TY  - JOUR
AU  - Pollmann, S.
AU  - Weidner, R.
AU  - Müller, H. J.
AU  - Maertens, M.
AU  - von Cramon, D. Y.
TI  - Selective and interactive neural correlates of visual dimension changes and response changes
JO  - NeuroImage
VL  - 30
SN  - 1053-8119
CY  - Orlando, Fla.
PB  - Academic Press
M1  - PreJuSER-57791
SP  - 254 - 265
PY  - 2006
N1  - Record converted from VDB: 12.11.2012
AB  - In an event-related fMRI study, we investigated the neural correlates of visual dimension and response changes. We used a compound task, which required target selection by a singleton feature, a unique color or motion direction, before the appropriate motor response, which was determined by target orientation, could be selected. Both types of change elicited distinct patterns of activation, with dimension-change-related activation primarily in posterior visual areas and response-related activation primarily in motor-related areas of the parietal and frontal cortices. Response-change-related activation was delayed by about 1 s relative to dimension-change-related activation, suggesting that the latter is elicited by perceptual processes, whereas the former reflects response-related or post-response processes. Although dimension changes and response changes rely on different processes, they are not independent: response facilitation was observed for combined dimension and response repetitions, this facilitation, however, was disrupted by dimension changes.
KW  - Adult
KW  - Attention: physiology
KW  - Brain: physiology
KW  - Brain Mapping
KW  - Cerebral Cortex: physiology
KW  - Color Perception: physiology
KW  - Echo-Planar Imaging
KW  - Female
KW  - Frontal Lobe: physiology
KW  - Humans
KW  - Image Processing, Computer-Assisted
KW  - Magnetic Resonance Imaging
KW  - Male
KW  - Motion Perception: physiology
KW  - Motor Cortex: physiology
KW  - Nerve Net: physiology
KW  - Orientation: physiology
KW  - Oxygen: blood
KW  - Pattern Recognition, Visual: physiology
KW  - Reaction Time: physiology
KW  - Visual Pathways: physiology
KW  - Oxygen (NLM Chemicals)
KW  - J (WoSType)
LB  - PUB:(DE-HGF)16
C6  - pmid:16263311
UR  - <Go to ISI:>//WOS:000235696300025
DO  - DOI:10.1016/j.neuroimage.2005.09.013
UR  - https://juser.fz-juelich.de/record/57791
ER  -