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Record 1 2004-10-27

English

Subject field(s)
  • Nervous System
DEF

A cumulative action or effect; especially, the process by which a sequence of stimuli that are individually inadequate to produce a response are cumulatively able to induce a nerve impulse

French

Domaine(s)
  • Système nerveux
CONT

Ainsi, sur un même neurone, plusieurs milliers de connexions synaptiques, peuvent être soit inhibitrices, soit excitatrices. C'est la somme de leurs inhibitions/excitations qui détermineront la possibilité du neurone à produire un potentiel d'action. C'est ce qu'on appelle la sommation.

OBS

On distingue deux types de sommation : la sommation temporelle et la sommation spatiale.

Spanish

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