chemical - Chemical Messengers Neurotransmitters Hormones...

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1 Chemical Messengers Neurotransmitters Hormones Neurohormones
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2 Types of Neurotransmitters Acetylcholine Serotonin Norepinephrine Dopamine Endorphins GABA Glutamate
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3 Acetylcholine Found in neuromuscular junction Involved in muscle movements
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4 Disruption of Acetylcholine Functioning Curare - blocks ACh receptors paralysis results Nerve gases and Black Widow spider venom - too much ACh leads to severe muscle spasms and possible death
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5 Disruptions in ACh Functioning Cigarettes - nicotine works on ACh receptors can artificially stimulate skeletal muscles, leading to slight, trembling movements
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6 Alzheimer’s Disease Deterioration of memory, reasoning and language skills Symptoms may be due to loss of ACh neurons
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7 Serotonin Involved in sleep Involved in depression Prozac works by keeping serotonin in the synapse longer, giving it more time to exert an effect
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8 Norepinephrine Arousal “Fight or flight” response
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9 Dopamine Involved in movement, attention and learning Dopamine imbalance also involved in schizophrenia Loss of dopamine- producing neurons is cause of Parkinson’s Disease
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chemical - Chemical Messengers Neurotransmitters Hormones...

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