Psychology - Ch.3 - Neuroscience and Behavior - Neurotransmitters

• Activates: muscles to initiate motor behavior.
• Regulates: attention, learning, sleeping, dreaming, and memory

Alzheimer's disease is associated with the deterioration of Ach-producing neurons

Regulates: motor behavior, motivation, pleasure, and emotional arousal.

• Too much leads to schizophrenia
• Too little leads to Parkinson's disease

A major excitatory neurotransmitter involved in information transmission throughout the brain. It enhances the transmission of information.

Too much leads to seizures.

The primary inhibitory neurotransmitter in the brain.

Too much leads to unconsciousness

Influence: mood and arousal.

Norepinephrine is particularly involved in states of vigilance, or a heightened awareness of dangers in the environment.

Serotonin is involved in the regulation of sleep and wakefulness, eating, and aggressive behavior.

Both, if they are found at low levels, have been implicated in mood dissorders

Chemicals that act within the pain pathways and emotion centers of the brain.

They dull pain and elevate mood.