The Brain and Intro Flashcards
1
Q
Basic unit of the nervous system
A
Neurons
2
Q
Chemicals that allow neurons to send a signal across the synapse to another neuron
A
Neurotransmitters
3
Q
2 types of neurotransmitters
A
Monoamine -norepinephrine -serotonin -dopamine Amino Acids -GABA (inhibitory) -glutamate (excitatory)
4
Q
GABA
A
- inhibitory
- benzodiazepines
- reduce anxiety
low: bipolar, anxiety disorders
high: heightened-control, relax
5
Q
Serotonin
A
- inhibitory
- appetite, mood regulation, temperature, sexual activity, thought processes
low: depression, suicidal tendencies, anxiety
high: serotonin syndrome
6
Q
Norepinephrine
A
- excitatory
- fight or flight response, alertness, arousal, attention
low: low alertness, poor memory, depression, adhd
high: panic attack, anxiety
7
Q
Dopamine
A
- excitatory
- mediates pleasure in the brain, learning, focus, movement
low: parkinson’s disease, depressions
high: schizophrenia
8
Q
Glutamate
A
- most common neurotransmitter in CNS, cognition, learning, memory
low: huntington’s disease
high: facilitate psychosis, neuron death
9
Q
Epinephrine
A
- Excitatory
- mental alertness, metabolism, heart rate, breathing
low: fatigue, weight gain, poor concentration
high: acute stress, sleep disorders, lowered immunity
10
Q
Temporal lobe
A
- auditory reception
- processing of visual info
- long-term memory
11
Q
Occipital lobe
A
-visual reception area
12
Q
Parietal lobe
A
-sensation, body position
13
Q
Frontal lobe
A
-order info, sort out sitmuli, high cognitive functions
14
Q
Thalamus
A
kind of communications relay station for all sensory info transmitted to the cerebral cortex
15
Q
Hypothalamus
A
regulation of body functions (eating, drinking, body temperature, sexual behavior and emotion, fight or flight response
