Chapter 2 Flashcards
the central nervous system is made up of?
brain and spinal cord, and is considered the bodies decision maker
what does the occipital lobe control?
visual info
What does a biological psychologist study?
the link between our biology and behavior
three parts of the limbic system
amygdala, hypothalamus, hippocampus
what does the parasympathetic nervous system do?
conserves energy as it calms you
Glial cells are also known as the…?
glue cells
what is DNA?
complex molecule that has geentic info that makes up a chromosome
synapse is a brief gap or a?
meeting point b/t neurons
what is the brain stem?
oldes and intermost portion, begins at the swollen piece at the top of the spinal cord
a neural impulse; a brief electrical charge that travels down an axon is known as?
action potential
the temporal lobe deals with?
hearing info
what is glutamates’ function?
a major excitatory transmitter, involved in memory
what is serotonin’s function?
affects mood, hunger, sleep, and arousal
neurons are the…?
building blocks of our body or nerve cells
this is repsonisble for gathering info and for trasnmitting CNS decisions to other body parts
PNS
what are neurotransmitters?
chemical messengers which are sent across this tiny space from one neuron to the next
a layer of fatty tissue the insulates axons and speeds their impulses
myelin sheath
what are endorphins?
influences perception of pain and pleasure
threadlike structures made of dna molecules that contain genes
chromosomes
this extends form the back of the brian stem and enables non verbal learning/skills, memor, helps judge time, modulate emotions, and discriminate sounds/textures
cerebellum
what is the medulla?
base of the stem controlling breathing and heartbeat
the forntal lobe controls what?
speaking, muscle movement, making judgements and plans
what is dopamines function?
influences movement, learning, attention, and emotion
what does the parietal lobe control?
recieves sensory input for touch and body position
Genes are small…?
segments of DNA
