How the Cortex Regulates the Thalamus - Barry Connors

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The thalamus provides sensory information to the cerebral cortex, but the cortex also sends massive input to the thalamus. Top-down corticothalamic projections may allow the cortex to regulate sensory processing by modulating the excitability of thalamic neurons. I will describe unique modular circuits within the deep layers of the somatosensory cortex that give rise to corticothalamic axons. I will also show that corticothalamic regulation is a highly dynamic process; it relies on a time- and frequency-dependent balance of feed-forward excitation and inhibition that can switch the excitability and sensory throughput of the thalamus according to ongoing behavioral demands.

https://mediaspace.gatech.edu/media/connors/1_5ktbhk08

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How the Cortex Regulates the Thalamus - Barry Connors

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