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GMJ News > GMJ Briefs > Announcement: How Neurotransmitters Control Your Mood, Sleep, and Focus: A Brain Chemistry Primer

Announcement: How Neurotransmitters Control Your Mood, Sleep, and Focus: A Brain Chemistry Primer

GMJ
Last updated: 10/08/2026 15:30
By
Prof. Giorgi Pkhakadze
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Illustration of neurotransmitters in the brain synapse, showing chemical communication between neurons
Your mood, sleep, focus, and motivation depend on 12+ neurotransmitters—chemical messengers that regulate brain function through constant balance. When this system functions optimally, cognitive and emotional stability follow; dysregulation often produces symptoms years before structural brain disease appears. — Photo by Robina Weermeijer on Unsplash (Unsplash License)
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1 min read|56 words

Your thoughts, mood, sleep, and focus all depend on chemical signals between brain cells. These neurotransmitters—dopamine, serotonin, GABA, and 9 others—regulate every aspect of brain function through constant balance. When signalling is dysregulated, functional symptoms emerge years before structural disease. Learn how brain chemistry works in our explainer.

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GMJ Brief · Announcement

📰 Read the full article: How Neurotransmitters Control Your Mood, Sleep, and Focus: A Brain Chemistry Primer →

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ByProf. Giorgi Pkhakadze
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Prof. Giorgi Pkhakadze, MD, MPH, PhD, is Editor-in-Chief of the Georgian Medical Journal and Chair of the Public Health Institute of Georgia (PHIG). He is Professor and Head of the Department of Social and Behavioural Sciences at David Tvildiani Medical University, and Secretary/Treasurer of the UEMS Section of Public Health. ORCID: 0000-0001-7609-4515.

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