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An Analysis of a Trigemino-Facial Reflex in Normal Humans
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1973
Year
Blink ReflexAffective NeuroscienceMotor ControlNormal HumansPerceptionSensory SystemsSocial SciencesNeural MechanismNeurodynamicsSensory NeurosciencePsychophysiologyCognitive ElectrophysiologyMotor NeurophysiologyHealth SciencesSensorimotor ControlCognitive ScienceConstant Blink ReflexSensorimotor IntegrationNervous SystemPerception-action LoopSystems NeuroscienceFacial Expression RecognitionNeurophysiologyNeuroanatomyFacial AnimationNeuroscienceBrain ElectrophysiologyCentral Nervous SystemExcitability CycleNonverbal Communication
This paper studies the excitability cycle of the early response to the blink reflex evoked in normal humans by the paired stimuli technique. The results show the presence of a period of early facilitation of the conditioned response lasting for intervals of 1–9 msec between the paired stimuli, followed by a period of inhibition of the response. A late facilitation is also present in some subjects. The late response of the constant blink reflex shows habituation. The proprioceptive nature of the early response of the reflex is discussed.