John M Author
Subjects of specialization
Affiliation
Psychometry; Electroencephalography; Reticular Activating System (RAS); Personality
Consultant Psychiatrist, Gisborne Hospital, 421 Ormond Rd, Riverdale, Gisborne 4010, New Zealand
Specialization in Food and Nutrition, Food Microbiology, Processing and Preservation, Food Engineering, Food Quality and has published article entitled EEG and Psychometry.
Commentary Subscription
Author(s): John M
It is an old adage in physiology that structure reflects function. In the brain-stem reticular activating system (RAS) there reside three nests of cells making peculiar chemicals known as the biogenic amines, viz. noradrenaline, dopamine and 5-hydroxytryptamine (5HT). What is more, the ramifications of these cells are distributed over the whole extent of the cerebral cortex. What is their function?
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