Cognitive mechanisms associated with auditory sensory gating
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منابع مشابه
Cognitive mechanisms associated with auditory sensory gating
Sensory gating is a neurophysiological measure of inhibition that is characterised by a reduction in the P50 event-related potential to a repeated identical stimulus. The objective of this work was to determine the cognitive mechanisms that relate to the neurological phenomenon of auditory sensory gating. Sixty participants underwent a battery of 10 cognitive tasks, including qualitatively diff...
متن کاملThe neural networks underlying auditory sensory gating
One of the most consistent electrophysiological deficits reported in the schizophrenia literature is the failure to inhibit, or properly gate, the neuronal response to the second stimulus of an identical pair (i.e., sensory gating). Although animal and invasive human studies have consistently implicated the auditory cortex, prefrontal cortex and hippocampus in mediating the sensory gating respo...
متن کاملSpecific cognitive training normalizes auditory sensory gating in schizophrenia: a randomized trial.
BACKGROUND The ratio of scalp-recorded brain responses occurring 50 msec after paired clicks (S2-evoked P50/S1-evoked P50) serves as a measure of sensory gating. An abnormally large ratio is commonly found in schizophrenia and is considered as a sign of reduced sensory gating or otherwise dysfunctional organization of the auditory/verbal system as a factor contributing to psychopathology and co...
متن کاملLateralization of auditory sensory gating and neuropsychological dysfunction in schizophrenia.
OBJECTIVE Sensory gating assessed via EEG in a paired-click paradigm has often served as a neurophysiological metric of attentional function in schizophrenia. However, the standard EEG measure of sensory gating using the P50 component at electrode Cz does not foster differential assessment of left and right hemisphere contributions. Magnetoencephalography (MEG) is complementary to EEG, and its ...
متن کاملAuditory sensory gating deficit in abstinent chronic alcoholics.
P50 event-related potential was studied in abstinent chronic alcoholics to determine whether they had normal sensory gating. Repeated tones were presented to 17 recently detoxified chronic alcoholic patients and 17 healthy subjects while EEG was recorded. Low-resolution tomography (LORETA) was performed to obtain cerebral sources of P50. Abstinent chronic alcoholics showed reduced P50 sensory g...
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ژورنال
عنوان ژورنال: Brain and Cognition
سال: 2016
ISSN: 0278-2626
DOI: 10.1016/j.bandc.2015.12.005