Reflex modification during habituation of a startle response
نویسندگان
چکیده
منابع مشابه
The startle reflex in schizophrenia: habituation and personality correlates.
Schizophrenia has long been associated with abnormal patterns of arousal that are thought to reflect disturbances in the reticular-activating system of the brain. Psychophysiological investigations of sensory responsivity have repeatedly demonstrated reduced reactivity and habituation to moderately intense stimuli in patients with schizophrenia. While not traditionally used as a measure of phys...
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This study analyzed the relationship of individual differences in personality with habituation in the acoustic startle response (ASR). Data from nine trials in ASR to white noise bursts and a personality questionnaire based on the alternative big five personality approach were modelled with a latent growth curve (LCM) including intercept and slope habituation growth factors. There was a negativ...
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The present study investigated the involvement of the human cerebellum in the habituation of the acoustic startle response using PET. The startle response was elicited in seven young, healthy subjects by a tone presented via headphones. Startle responses were recorded from the right sternocleidomastoid muscle. Regional cerebral blood flow (rCBF) was assessed in nine scans and one startle stimul...
متن کاملRefractory period and habituation of acoustic startle response in rats.
The time course of the recovery cycle (refractory period) of the acoustic startle response in rats was determined. The refractory effect was shown to be highly dependent upon the interval between two startle stimuli but independent of the intensity of the stimuli at a given interval, provided that the intensity of both stimuli was the same. A model based on summation of refractory effects to re...
متن کاملHabituation of an odorant-induced startle response in Drosophila.
Habituation is a fundamental form of behavioral plasticity that permits organisms to ignore inconsequential stimuli. Here we describe the habituation of a locomotor response to ethanol and other odorants in Drosophila, measured by an automated high-throughput locomotor tracking system. Flies exhibit an immediate and transient startle response upon exposure to a novel odor. Surgical removal of t...
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ژورنال
عنوان ژورنال: Bulletin of the Psychonomic Society
سال: 1984
ISSN: 0090-5054
DOI: 10.3758/bf03333912