Modulation of thalamic auditory neurons by the primary auditory cortex

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Modulation of thalamic auditory neurons by the primary auditory cortex.

The central auditory system consists of the lemniscal and nonlemniscal pathways or systems, which are anatomically and physiologically different from each other. In the thalamus, the ventral division of the medial geniculate body (MGBv) belongs to the lemniscal system, whereas its medial (MGBm) and dorsal (MGBd) divisions belong to the nonlemniscal system. Lemniscal neurons are sharply frequenc...

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Specific and nonspecific plasticity of the primary auditory cortex elicited by thalamic auditory neurons.

The ventral and medial divisions of the medial geniculate body (MGBv and MGBm) respectively are the lemniscal and nonlemniscal thalamic auditory nuclei. Lemniscal neurons are narrowly frequency tuned and provide highly specific frequency information to the primary auditory cortex (AI), whereas nonlemniscal neurons are broadly frequency tuned and project widely to auditory cortical areas includi...

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Two thalamic pathways to primary auditory cortex.

Neurons in the center of cat primary auditory cortex (AI) respond to a narrow range of sound frequencies and the preferred frequencies in local neuron clusters are closely aligned in this central narrow bandwidth region (cNB). Response preferences to other input parameters, such as sound intensity and binaural interaction, vary within cNB; however, the source of this variability is unknown. Her...

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Visual modulation of neurons in auditory cortex.

Our brain integrates the information provided by the different sensory modalities into a coherent percept, and recent studies suggest that this process is not restricted to higher association areas. Here we evaluate the hypothesis that auditory cortical fields are involved in cross-modal processing by probing individual neurons for audiovisual interactions. We find that visual stimuli modulate ...

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Feed-forward Thalamic Modulation and Neuroplasticity in the Auditory Cortex

....................................................................................ii Relevant Publications...................................................................vi Ackowledgements.......................................................................vii Table of

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ژورنال

عنوان ژورنال: Journal of Neurophysiology

سال: 2012

ISSN: 0022-3077,1522-1598

DOI: 10.1152/jn.00251.2012