Visual task complexity modulates the brain's response to unattended auditory novelty.

@article{citeulike:1843465, abstract = {New, unusual, and changing events are important environmental cues, and the ability to detect these types of stimuli in the environment constitutes a biologically significant survival skill. We used event-related potentials to examine whether sensory and cognitive neural responses to unattended novel events are modulated by the complexity of a primary visuomotor task. Event-related potentials were elicited by unattended task-irrelevant pitch-deviant tones and novel environmental sounds while study participants performed a continuous visuomotor tracking task at two levels of difficulty, achieved by manipulating the control dynamics of a joystick. The results revealed that increased task complexity modulated evoked sensory and cognitive event-related potential components, indicating that detection of change and novelty in the unattended auditory channel is resource-limited.}, address = {Duke-UNC Brain Imaging and Analysis Center, Duke University Medical Center, Durham, NC, USA.}, author = {Yucel, G. and Petty, C. and McCarthy, G. and Belger, A. }, citeulike-article-id = {1843465}, issn = {0959-4965}, journal = {Neuroreport}, keywords = {1104, attention, auditory}, month = {July}, number = {10}, pages = {1031--1036}, posted-at = {2007-10-30 20:46:19}, priority = {2}, title = {Visual task complexity modulates the brain's response to unattended auditory novelty.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/15973143}, volume = {16}, year = {2005} }

TY - JOUR ID - citeulike:1843465 L3 - citeulike-article-id:1843465 TI - Visual task complexity modulates the brain's response to unattended auditory novelty. JF - Neuroreport VL - 16 IS - 10 SP - 1031 EP - 1036 AD - Duke-UNC Brain Imaging and Analysis Center, Duke University Medical Center, Durham, NC, USA. SN - 0959-4965 N2 - New, unusual, and changing events are important environmental cues, and the ability to detect these types of stimuli in the environment constitutes a biologically significant survival skill. We used event-related potentials to examine whether sensory and cognitive neural responses to unattended novel events are modulated by the complexity of a primary visuomotor task. Event-related potentials were elicited by unattended task-irrelevant pitch-deviant tones and novel environmental sounds while study participants performed a continuous visuomotor tracking task at two levels of difficulty, achieved by manipulating the control dynamics of a joystick. The results revealed that increased task complexity modulated evoked sensory and cognitive event-related potential components, indicating that detection of change and novelty in the unattended auditory channel is resource-limited. KW - 1104 KW - attention KW - auditory AU - Yucel, G AU - Petty, C AU - McCarthy, G AU - Belger, A PY - 2005/07/13/ UR - http://view.ncbi.nlm.nih.gov/pubmed/15973143 ER -