Neurophysiol Vikram Jakkamsetti , Kevin Q . Chang and Michael P . Kilgard environmental enrichment input in the rat posterior auditory field induced by Reorganization in processing of spectral and temporal
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Reorganization in processing of spectral and temporal input in the rat posterior auditory field induced by environmental enrichment.
Environmental enrichment induces powerful changes in the adult cerebral cortex. Studies in primary sensory cortex have observed that environmental enrichment modulates neuronal response strength, selectivity, speed of response, and synchronization to rapid sensory input. Other reports suggest that nonprimary sensory fields are more plastic than primary sensory cortex. The consequences of enviro...
متن کاملTitle : Reorganization in Processing of Spectral and Temporal Input in the Rat Posterior
41 Environmental enrichment induces powerful changes in the adult cerebral cortex. 42 Studies in primary sensory cortex have observed that environmental enrichment 43 modulates neuronal response strength, selectivity, speed of response and 44 synchronization to rapid sensory input. Other reports suggest that non-primary sensory 45 fields are more plastic than primary sensory cortex. The consequ...
متن کاملSensory experience determines enrichment-induced plasticity in rat auditory cortex.
Our previous studies demonstrated that only a few days of housing in an enriched environment increases response strength and paired-pulse depression in the auditory cortex of awake and anesthetized rats [Engineer, N.D., Percaccio, C.R., Pandya, P.K., Moucha, R., Rathbun, D.L., Kilgard, M.P., 2004. Environmental enrichment improves response strength, threshold, selectivity, and latency of audito...
متن کاملEffect of the environment on the dendritic morphology of the rat auditory cortex.
The present study aimed to identify morphological correlates of environment-induced changes at excitatory synapses of the primary auditory cortex (A1). We used the Golgi-Cox stain technique to compare pyramidal cells dendritic properties of Sprague-Dawley rats exposed to different environmental manipulations. Sholl analysis, dendritic length measures, and spine density counts were used to monit...
متن کاملSpectral and temporal processing in rat posterior auditory cortex.
The rat auditory cortex is divided anatomically into several areas, but little is known about the functional differences in information processing between these areas. To determine the filter properties of rat posterior auditory field (PAF) neurons, we compared neurophysiological responses to simple tones, frequency modulated (FM) sweeps, and amplitude modulated noise and tones with responses o...
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تاریخ انتشار 2010