Neuromodulation of the Pineal Gland Via Electrical Stimulation of Its Sympathetic Innervation Pathway

Overview

Journal Front Neurosci

Date 2020 Apr 18

PMID 32300290

Citations 9

Authors

Susannah C Lumsden

Andrew N Clarkson

Yusuf Ozgur Cakmak

Affiliations

Soon will be listed here.

Abstract

Stimulation of the pineal gland via its sympathetic innervation pathway results in the production of N-acetylserotonin and melatonin. Melatonin has many therapeutic roles and is heavily implicated in the regulation of the sleep-wake cycle. In addition, N-acetylserotonin has recently been reported to promote neurogenesis in the brain. Upregulation of these indoleamines is possible via neuromodulation of the pineal gland. This is achieved by electrical stimulation of structures or fibres in the pineal gland sympathetic innervation pathway. Many studies have performed such pineal neuromodulation using both invasive and non-invasive methods. However, the effects of various experimental variables and stimulation paradigms has not yet been reviewed and evaluated. This review summarises these studies and presents the optimal experimental protocols and stimulation parameters necessary for maximal upregulation of melatonin metabolic output.

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