Auditory cortical responses in the cat to sounds that produce spatial illusions

Article Abstract:

It is possible to successfully predict cat neuronal signalling with a model derived to account for human psychophysical performance. This research, which involved recording unit activity from cortical area A2 in anaesthetized cats, established that neurons accurately signal the elevations of broadband sounds localized accurately by humans. There is strong evidence to support the view that neuronal elevation sensitivity in cats and spatial hearing in humans respond to similar computational principles.

Neural circuitry

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Visually evoked calcium action potentials in cat striate cortex

Article Abstract:

A study has been conducted to monitor the responses and map the receptive fields of cerebral cortical neurons in cats to synaptic input by using the combined techniques of whole-cell recording, pharmacology and quantitative receptive field mapping. The cat striate cortex has been shown to respond to visual stimulation by evoking calcium spikes in functional and anatomical classes of cells. This result suggests that regenerative calcium potentials play a role in cortical sensory processing.

Striated muscle, Evoked potentials (Electrophysiology), Evoked potentials, Action potentials (Electrophysiology), Action potentials

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Thalamic modulation of high-frequency oscillating potentials in auditory cortex

Article Abstract:

The acoustic thalamus regulates the gamma oscillations in the auditory cortex produced by an intracortical neural generator. The generator synchronizes the interactions between the primary and secondary areas. The stimulation of the dorsal and ventral medial geniculate nucleus suppresses these oscillations. The stimulation of the adjacent posterior intralaminar nucleus activates these oscillations.

Analysis, Thalamus, Auditory cortex, Oscillation, Oscillations

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