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 (no͝or′ō-kĕm′ĭ-strē, nyo͝or′-)
The study of the chemical composition and processes of the nervous system and the effects of chemicals on it.

neu′ro·chem′i·cal (-kəl) adj.
neu′ro·chem′ist n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Chemistry) chem the study of the chemistry of the nervous system
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌnʊər oʊˈkɛm ə stri, ˌnyʊər-)

the study of the chemistry of the nervous system.
neu′ro•chem`ist, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Color illustrations pack discussions of such varied topics as athletics and brain chemistry, understanding the brain's role in emotions, and understanding how the nervous system syncs with brain operations and affects mental states.
With in-depth testing and balancing of the adrenals, thyroid, brain chemistry, gut, and sex hormones, she has successfully helped thousands of men and women reverse chronic problems such as fatigue, brain fog, weight gain, and depression and regain focus, stamina, drive, and optimal mood and energy.
"Positive behaviors such as abstinence from substance use, studious attitudes and responsibility toward work and family are reflective of a brain chemistry profile that supports mood and maturation of the prefrontal cortex of the brain.
Harrod believes that maleness is a complex interplay of genes, chromosomes, brain chemistry, a belief that has never come close to being scientifically proven.
The study authors note that many deem it impossible that learning can take place during sleep because "sleep lacks the conscious awareness" and the necessary brain chemistry and activity.
The treatment may cause changes in brain chemistry, although how these are related to symptoms is not understood.
The results showed that the rats with vitamin D-deficient mothers displayed abnormal social behaviours, altered brain chemistry and impaired learning and memory and displayed altered social behaviours in adulthood.
She discusses the beginnings of human judgment in infants and children; the brain chemistry, psychological theories, and economics of praise; blame, shame, exclusion, and empathy; family judgments and systems; praise and blame between friends, within couples, and in the workplace; the role of social media in judgment; and judgment throughout the lifespan.
It is believed that such benefits are down to how certain foods modify our brain chemistry, which can affect psychological health.
The ( study  has found that, when taken recreationally, Ritalin has the ability to change brain chemistry, increasing risk-taking behavior and sleep disruption.
Depression is a medical condition in which your brain chemistry, function and structure are negatively affected by environmental or biological factors.
Although the cause of the disparity between men and women is not known, the researchers suggest that it may have to do with hormonal fluctuations and differences in brain chemistry between the two sexes.