2007
DOI: 10.1590/s0004-282x2007000600034
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Alterações na banda alfa do eletrencefalograma durante imagética motora visual e cinestésica

Abstract: RESUMO -Foi investigada a contribuição em potência na vizinhança do pico da banda alfa (BPA) do EEG durante imagética motora (IM). Sinais EEG (derivações occipitais e parietais) foram adquiridos em sujeitos destros (18-40 anos), durante repouso (ESP) e IM nas modalidades cinestésica (IMC) e visual (IMV), sendo 15 atletas de voleibol e 15 não-atletas. O Revised Movement Imagery Questionnaire não indicou diferenças entre grupos ou modalidades de IM; todavia os atletas imaginaram-se melhor que os não-atletas. Par… Show more

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Cited by 19 publications
(18 citation statements)
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“…The alpha band is inversely related to cortical activation7, 9 ) , cognitive processes and wakefulness required during task execution10, 11 ) . This band contains frequencies between 8 and 13 Hz12 ) .…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The alpha band is inversely related to cortical activation7, 9 ) , cognitive processes and wakefulness required during task execution10, 11 ) . This band contains frequencies between 8 and 13 Hz12 ) .…”
Section: Discussionmentioning
confidence: 99%
“…The presence of mirror neurons in humans has been demonstrated in studies of the reactivity of EEG brain rhythms during the observation of movements6 ) . Furthermore, the utility of EEG as a tool for the analysis of brain function can be observed in protocols that use actual execution of motor tasks, like MI7 ) .…”
Section: Introductionmentioning
confidence: 99%
“…O envolvimento visual é a simulação mental de uma tarefa motora como se produzíssemos um vídeo mental, já na imagética cinestésica, o sujeito deve se perceber, como se seu corpo estivesse em ação, experimentando sensações relacionadas às contrações musculares e posicionais dos diversos segmentos corporais no espaço (STECKLOW, 2007).…”
Section: Introductionunclassified
“…Indeed, it requires an approximation of the real life phenomenology such that the person actually imagines being inside his/her body and experiencing those sensations that might be expected in the actual situation. On the other hand, visual MI is performed in third person (related to the scenes outside the person) providing the mental visualization of the movement performance as from a distance, actually the subject views himself from the perspective of an external observer (Dickstein and Deutsch, 2007;Stecklow et al, 2007).…”
Section: Introductionmentioning
confidence: 99%