Neurotransmitters Flashcards
catecholamine
Plays a role in the experience of emotions
Controls alertness and wakefulness
Primary neurotransmitter in the sympathetic nervous system
Released by the adrenal medulla
Epinephrine (acts as a hormone) and norepinephrine (acts as a neurotransmitter)
Low levels of norepinephrine causes
Depression
High levels of norepinephrine causes
Anxiety and mania
Epinephrine is secreted from
Adrenal medulla
Catecholamine
Plays a role in movement and posture
Dopamine
Imbalances of dopamine lead to what disorder?
Schizophrenia
High levels of dopamine are found where?
Basal ganglia
Helps smooth movements and maintain postural stability
Loss of dopaminergic neurons in the basal ganglia lead to what disease ?
Parkinson’s disease
Plays a role in regulating mood, eating, sleeping, and dreaming
plays a role in depression and mania
Serotonin
Too much serotonin produce what kind of mind states
Manic states
Too little serotonin lead to
Depression
Produces inhibitory post synaptic potentials - causing hyper polarization
Stabilizes neural activity in the brain
Acts as a “brain stabilizer”
GABA
Naturals painkillers produced by the brain
Endorphins and enkephalins
Hormones are released from what system?
Endocrine
How do hormones travel through the system ?
Travel to their target destination through the blood stream
