Neurotransmitters (AP Psychology)

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Released by motor neurons controlling skeletal muscles. It Contributes to the regulation of attention, arousal, and memory. Some of its receptors are stimulated by nicotine (associated with Alzheimer's Disease)
Deficiency - Alzheimer's

Curare poisoning paralyzes its victims by blocking ACh receptors involved in muscle movement
Voluntary movement
-Alertness - Attention
Excess - Schizophrenia 
Deficiency - Parkinson's Disease
-"Fight or flight" response: elevates heart rate, circulation, respiration; slows digestion
-Controls alertness, arousal
-Mood elevation
Deficiency - Depression, ADHD
Excess - Anxiety, High blood pressure
-Mood regulation
Deficiency - Depression (Treated with SSRI's - selective serotonin reuptake inhibitors; prevent serotonin from being reabsorbed in uptake, leaving more in synapses)
Excess - Anxiety, OCD, Insomnia, Hypermania
 (associated with Depressive disorders, Obsessive-compulsive disorders, Eating disorders)
Brain's main inhibitory neurotransmitter
Deficiency - Seizures, Insomnia
Brain's main (agonist) excitatory neurotransmitter
-Creates links between neurons that form basis of learning, long-term memory.
Excess - Multiple sclerosis
Excess - Seizures & Migraines(Avoid foods with MSG - monosodium glutamate; overstimulate brain)