Maike Vollmer and Ralph E . Beitel auditory cortex of long - deaf cats Behavioral training restores temporal processing in
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Passive stimulation and behavioral training differentially transform temporal processing in the inferior colliculus and primary auditory cortex.
In profoundly deaf cats, behavioral training with intracochlear electric stimulation (ICES) can improve temporal processing in the primary auditory cortex (AI). To investigate whether similar effects are manifest in the auditory midbrain, ICES was initiated in neonatally deafened cats either during development after short durations of deafness (8 wk of age) or in adulthood after long durations ...
متن کاملBehavioral training restores temporal processing in auditory cortex of long-deaf cats.
Temporal auditory processing is poor in prelingually hearing-impaired patients fitted with cochlear prostheses as adults. In an animal model of prelingual long-term deafness, we investigated the effects of behavioral training on temporal processing in the adult primary auditory cortex (AI). Neuronal responses to pulse trains of increasing frequencies were recorded in three groups of neonatally ...
متن کاملBehavioral training enhances cortical temporal processing in neonatally deafened juvenile cats.
Deaf humans implanted with a cochlear prosthesis depend largely on temporal cues for speech recognition because spectral information processing is severely impaired. Training with a cochlear prosthesis is typically required before speech perception shows improvement, suggesting that relevant experience modifies temporal processing in the central auditory system. We tested this hypothesis in neo...
متن کامل1 1 Behavioral Training Enhances Cortical Temporal Processing in
1 Behavioral Training Enhances Cortical Temporal Processing in Neonatally 2 Deafened Juvenile Cats 3 4 5 Ralph E. Beitel, Maike Vollmer , Marcia W. Raggio , Christoph E. Schreiner 1 6 7 1 Epstein Laboratory, Department of Otolaryngology-Head and Neck Surgery, 8 University of California, San Francisco, California, USA 9 2 Comprehensive Hearing Center, Department of Otolaryngology, Head and Neck ...
متن کاملDegradation of temporal resolution in the auditory midbrain after prolonged deafness is reversed by electrical stimulation of the cochlea.
In an animal model of prelingual deafness, we examined the anatomical and physiological effects of prolonged deafness and chronic electrical stimulation on temporal resolution in the adult central auditory system. Maximum following frequencies (Fmax) and first spike latencies of single neurons responding to electrical pulse trains were evaluated in the inferior colliculus of two groups of neona...
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تاریخ انتشار 2011