Emergence of synaptic organization and computation in dendrites

Jan H. Kirchner, Julijana Gjorgjieva

Publikation: Beitrag in FachzeitschriftÜbersichtsartikelBegutachtung

1 Zitat (Scopus)

Abstract

Single neurons in the brain exhibit astounding computational capabilities, which gradually emerge throughout development and enable them to become integrated into complex neural circuits. These capabilities derive in part from the precise arrangement of synaptic inputs on the neurons' dendrites. While the full computational benefits of this arrangement are still unknown, a picture emerges in which synapses organize according to their functional properties across multiple spatial scales. In particular, on the local scale (tens of microns), excitatory synaptic inputs tend to form clusters according to their functional similarity, whereas on the scale of individual dendrites or the entire tree, synaptic inputs exhibit dendritic maps where excitatory synapse function varies smoothly with location on the tree. The development of this organization is supported by inhibitory synapses, which are carefully interleaved with excitatory synapses and can flexibly modulate activity and plasticity of excitatory synapses. Here, we summarize recent experimental and theoretical research on the developmental emergence of this synaptic organization and its impact on neural computations.

OriginalspracheEnglisch
Seiten (von - bis)21-30
Seitenumfang10
FachzeitschriftNeuroforum
Jahrgang28
Ausgabenummer1
DOIs
PublikationsstatusVeröffentlicht - 1 Feb. 2022

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