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Roles of Dopamine in the Brain by Tosin
- Neuroendocrine
- Controlling Prolactin Secretion
- See Tuberoinfundibular Pathway in Dopamine
Pathway Mind Map
- See Tuberoinfundibular Pathway in Dopamine
Pathway Mind Map
- Controlling Prolactin Secretion
- Schizophrenia
- Dopamine Hypothesis of Schizophrenia
- Hyperactivity of Dopamine = Positive and Negative Symptoms as well as Cognitive Deficits
Nota:
- Cognitive Deficits = Mesocortical Include = working memory, visual/verbal learning
- Others included cont. = speed of processing information, attention and Reasoning plus problem solving
- Hyperactivity of Dopamine = Positive and Negative Symptoms as well as Cognitive Deficits
- Dopamine Hypothesis of Schizophrenia
- Basal Ganglia (BG)
- Overactivity = BG disturbances = unpurposeful
movement (tremor) - Hyperkinetic
Nota:
- Tardive Dyskinesia = cause
- Underactivity = Movement disorder - hypokinetic
- Overactivity = BG disturbances = unpurposeful
movement (tremor) - Hyperkinetic
- Vomiting
- Area Postrema (Emesis Centre in
Medulla Oblongata)
- Chemoreceptor trigger zone = senses blood toxicity
Nota:
- Drugs altering Dopamine levels = Area Postrema = highly sensitive
- High density of Dopamine Receptors
- High Dopamine = Vomit but Dopamine Block = Anti-emesis
- High Dopamine = Vomit but Dopamine Block = Anti-emesis
- Chemoreceptor trigger zone = senses blood toxicity
- Area Postrema (Emesis Centre in
Medulla Oblongata)
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