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Neurotransmitters T

Townsend - Nursing psych

Psychotrophic Drugs Mind altering All affect the action or level of neurotransitter
Dopamine ( DA ) Smooth muscle movement and coordination ,involved in emotions Helps with decision making
Levels of Dopamine ( DA ) to low * Parkinson's * Depression
Levels of Dopamine ( DA ) to high * Schizoprenia * Mania
Norepinephrine (NE) "Fight or Flight " Plays a major role in : * Mood regulation * Cognition * Perception * Locomotion * Cardiovascular function * Sleep/ wakefulness
Levels of Norepinephrine (NE) too low * Depression
Levels of Norepinephrine ( NE) to high * Schizophrenia * Mania * Anxiety
Serotonin (5HT) * Sleep and wake * Coordination * Libido * Appetite * Mood * Aggresion * Perception
Levels of Serotonin (5HT) too low * Depression
Levels of Serotonin (5HT) too high * Mania * Anxiety
SSRI Selective Serotonin Reuptake Inhibitor - Keeps the levels higher than normal
Acetycholine (Ach) *Sleep/wake cycle * Pain perception *Coordination of movement
Acetycholine (Ach) Levels too High * Depression
Levels of Acetycholine (Ach) too low * Lack of inhibition * Poor short-term memory * Alzheimer's * Parkinson's
Gamma-Aminobutyric Acid (GABA) Slows Activity
Levels of GABA too low * Anxiety Disorders * Movement Disorders * Epilepsy
Levels of Gaba too High * Sedation * Decreased memory * Anticonvulsant
Status Epilepticus A condition involving non - stop seizures . GIVE IV Valium or Ativan ( Benzodiazepines- Increase GABA and calms the brain).
Growth Hormone Protein synthesis
Hormones Neuroendocrine System
Thyroid Stimulating hormone (TSH) Metabolism
Levels of TSH too high * Emotional lability * Insomnia * Anxiety
Levels of TSH too low * Fatigue * Depression
Adrenocortocotropic Hormone (ACTH) Stimulates Cortisol Secretion
Levels of ACTH too high * Mood disorders * Psychosis
Levels of ACTH too low * Depression * Apathy - dont care attitude * Fatigue
Gonadotropic Hormones Estrogen , Progesterone, Testosterone
Levels of Estrogen too low * Depression * Anorexia nervosa
Levels of Testosterone too high * Increased sexual Behavior * Aggressiveness
Diagnostic Tests EEG - Electrical activity of brain CT Scans, MRI PET - Possitive Emission Tomography ) Radioactive substance image. * glucose metabolism * O2 utilization * Neurotransmitter activity
Neurotransmitters Chemicals in the brain Help carry impulses between neurons
Created by: rkasiejka27