Electrophysiological and morphological properties of cell types in the chick neostriatum caudolaterale

Neuroscience
S KrönerO Güntürkün

Abstract

The neostriatum caudolaterale, in the chick also referred to as dorsocaudal neostriatal complex, is a polymodal associative area in the forebrain of birds that is involved in sensorimotor integration and memory processes. We have used whole-cell patch-clamp recordings in chick brain slices to characterize the principal cell types of the neostriatum caudolaterale. Electrophysiological properties distinguished four classes of neurons. The morphological characteristics of these classes were examined by intracellular injection of Lucifer Yellow. Type I neurons characteristically fired a brief burst of action potentials. Morphologically, type I neurons had large somata and thick dendrites with many spines. Type II neurons were characterized by a repetitive firing pattern with conspicuous frequency adaptation. Type II neurons also had large somata and thick dendrites with many spines. There was no clear morphological distinction between type I and type II neurons. Type III neurons showed high-frequency firing with little accommodation and a prominent time-dependent inward rectification. They had thin, sparsely spiny dendrites and extensive local axonal arborizations. Electrophysiological and morphological properties indicated them as...Continue Reading

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Citations

Sep 2, 2011·Psychological Research·Onur Güntürkün
Jun 9, 2005·PLoS Biology·Jonas Rose, Michael Colombo
Nov 3, 2005·Current Opinion in Neurobiology·Onur Güntürkün
Jul 7, 2017·The Journal of Comparative Neurology·Amy K Paterson, Sarah W Bottjer
Jun 7, 2018·Journal of Neurophysiology·Melissa JohnstonMichael Colombo
Nov 9, 2005·Nature Reviews. Neuroscience·Michele Migliore, Gordon M Shepherd
Sep 20, 2020·Nature Communications·Mehdi BehrooziOnur Güntürkün

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