A study of EEG coherence in DCD children during motor synchronization task. Export

@article{citeulike:3101429, abstract = {This paper investigates the hypothesis that the coordination difficulties of DCD children are associated with an increased coherence in the cortical motor regions, which persists with age. Forty-eight children participated in the study (24 DCD and 24 Controls). Their ages ranged from 8 to 13 years, divided into three groups (8-9, 10-11, and 12-13 years old). Children were required to perform finger flexion or extension either in synchrony or in syncopation with a rhythmic metronome, while a 32-channel EEG was recorded. Along with stability measures of motor performance, we analyzed the spectral EEG coherence between intrahemispheric (left frontal/left central; left central/left parietal) and interhemispheric (left central/right central) sites. Spectral coherence assesses functional coupling between distant areas of the brain. Two frequency bands related to sensorimotor activation were chosen: alpha (8-12 Hz) and beta (12-30 Hz). The synchrony task was chosen as a rest condition against which the two syncopation conditions at 0.5 Hz and 1.3 Hz were contrasted. For intrahemispheric comparison, 8-9-year-old DCD children showed that coherence between fronto-central regions increased for both rhythms and conditions, as compared to controls. No difference was found for interhemispheric comparisons. As frontal sites are related to motor planning, our results suggest that youngest DCD children were forced to maintain a high level of pre-programming to compensate for the difficulties caused by the perceptual-motor requirements of the task in light of their coordination disorder.}, address = {EA 3691, Laboratoire Adaptation Perceptivo-Motrice et Apprentissage, UFR STAPS, Universit\'{e} Toulouse III, 118 route de Narbonne, 31062 Toulouse cedex 4, France.}, author = {de Castelnau, P. and Albaret, J. M. and Chaix, Y. and Zanone, P. G.}, citeulike-article-id = {3101429}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.humov.2008.02.006}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/18395281}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=18395281}, doi = {10.1016/j.humov.2008.02.006}, issn = {0167-9457}, journal = {Human movement science}, keywords = {children, coherence, dcd, development, eeg, neuradynamics}, month = {April}, number = {2}, pages = {230--241}, posted-at = {2008-08-08 17:09:05}, priority = {2}, title = {A study of EEG coherence in DCD children during motor synchronization task.}, url = {http://dx.doi.org/10.1016/j.humov.2008.02.006}, volume = {27}, year = {2008} }

TY - JOUR ID - citeulike:3101429 L3 - citeulike-article-id:3101429 N2 - This paper investigates the hypothesis that the coordination difficulties of DCD children are associated with an increased coherence in the cortical motor regions, which persists with age. Forty-eight children participated in the study (24 DCD and 24 Controls). Their ages ranged from 8 to 13 years, divided into three groups (8-9, 10-11, and 12-13 years old). Children were required to perform finger flexion or extension either in synchrony or in syncopation with a rhythmic metronome, while a 32-channel EEG was recorded. Along with stability measures of motor performance, we analyzed the spectral EEG coherence between intrahemispheric (left frontal/left central; left central/left parietal) and interhemispheric (left central/right central) sites. Spectral coherence assesses functional coupling between distant areas of the brain. Two frequency bands related to sensorimotor activation were chosen: alpha (8-12 Hz) and beta (12-30 Hz). The synchrony task was chosen as a rest condition against which the two syncopation conditions at 0.5 Hz and 1.3 Hz were contrasted. For intrahemispheric comparison, 8-9-year-old DCD children showed that coherence between fronto-central regions increased for both rhythms and conditions, as compared to controls. No difference was found for interhemispheric comparisons. As frontal sites are related to motor planning, our results suggest that youngest DCD children were forced to maintain a high level of pre-programming to compensate for the difficulties caused by the perceptual-motor requirements of the task in light of their coordination disorder. IS - 2 JF - Human movement science SN - 0167-9457 AD - EA 3691, Laboratoire Adaptation Perceptivo-Motrice et Apprentissage, UFR STAPS, Université Toulouse III, 118 route de Narbonne, 31062 Toulouse cedex 4, France. EP - 241 TI - A study of EEG coherence in DCD children during motor synchronization task. VL - 27 SP - 230 KW - children KW - coherence KW - dcd KW - development KW - eeg KW - neuradynamics AU - de Castelnau, P AU - Albaret, JM AU - Chaix, Y AU - Zanone, PG PY - 2008/04// UR - http://dx.doi.org/10.1016/j.humov.2008.02.006 ER -