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Titolo:
Interactive processing of sensory input and motor output in the human hippocampus
Autore:
Tesche, CD; Karhu, J;
Indirizzi:
Helsinki Univ Technol, Low Temp Lab, Brain Res Unit, FIN-02015 HUT, Finland Helsinki Univ Technol HUT Finland FIN-02015 Unit, FIN-02015 HUT, Finland Kuopio Univ Hosp, Kuopio, Finland Kuopio Univ Hosp Kuopio FinlandKuopio Univ Hosp, Kuopio, Finland
Titolo Testata:
JOURNAL OF COGNITIVE NEUROSCIENCE
fascicolo: 4, volume: 11, anno: 1999,
pagine: 424 - 436
SICI:
0898-929X(199907)11:4<424:IPOSIA>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Soggetto:
NEURONAL POPULATION ACTIVITY; ENDOGENOUS POTENTIALS; NONINVASIVE DETECTION; THETA-RHYTHM; MEMORY; CORTEX; MOVEMENTS; AMYGDALA; MONKEYS; MAGNETOENCEPHALOGRAPHY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
47
Recensione:
Indirizzi per estratti:
Indirizzo: Tesche, CD Helsinki Univ Technol, Low Temp Lab, Brain Res Unit, POB 2200, FIN-02015 HUT, Finland Helsinki Univ Technol POB 2200 HUT Finland FIN-02015 , Finland
Citazione:
C.D. Tesche e J. Karhu, "Interactive processing of sensory input and motor output in the human hippocampus", J COGN NEUR, 11(4), 1999, pp. 424-436

Abstract

Recent studies of visuomotor integration suggest that the motor system ma be intimately involved in the detection of salient features of the sensory scene. The final stages of sensor processing occur in hippocampal structures. We measured human neuromagnetic responses during motor reaction to an auditor cue embedded in high-speed multimodal stimulation. Our results demonstrate that large-scale cognitive networks may recruit additional resources from the hippocampus during sensorimotor integration. Hippocampal activity from 300 msec before to 200 msec after cued movements was enhanced significantly over that observed during self-paced movements. The dominant hippocampal activity appeared equally synchronized to both sensory input and motor output, consistent with timing by an intrinsic mechanism, possibly providedby ongoing theta oscillations.

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Documento generato il 31/05/20 alle ore 11:28:21