Neuromodulation by acetylcholine: examples from schizophrenia and depression.

Neuromodulation by acetylcholine: examples from schizophrenia and depression.
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DOI:
10.1016/j.conb.2014.06.004
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发表时间:
2014-12
影响因子:
5.7
通讯作者:
Picciotto MR
Picciotto MR
中科院分区:
医学2区
文献类型:
--
作者:
Higley MJ;Picciotto MR

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The contribution of acetylcholine to psychiatric illnesses remains an area of active research. For example, increased understanding of mechanisms underlying cholinergic modulation of cortical function has provided insight into attentional dysfunction in schizophrenia. Acetylcholine normally enhances cortical sensitivity to external stimuli and decreases corticocortical communication, increasing focused attention. However, increases in ACh signaling can lead to symptoms related to anxiety and depression. For example, while stress-induced ACh release can result in adaptive responses to environmental stimuli, chronic elevations in cholinergic signaling may produce maladaptive behaviors. Here, we review several innovations in human imaging, molecular genetics and physiological control of circuits that have begun to identify mechanisms linking altered cholinergic neuromodulation to schizophrenia and depression.
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