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29 terms

PSY 101H Chapter 2

The biology of the mind
STUDY
PLAY
What is the difference between an axon and a dendrite?
axons send messages and dendrites receive information. Axons speak and dendrites listen
synapse
the meeting point between neurons
The Central Nervous System controls...
brain and spinal cord
When an action potential reaches te axon terminal of a neuron, it triggers the release of chemical messengers called...
neurotransmitters
Sympathetic Nervous System
arouses and expends energy
Parasympathetic Nervous System
conserves energy and calms
autonomic
Self-regulating
The neurons of the spinal cord are part of the...
central nervous system
The Endocrine System controlls what?
hormones
What is the difference between a PET and an fMRI?
PET shows brain activity and fMRI shows structure
The lower brain structure that governs arousal is the
reticular formation
The part of the brain that coordinates voluntary movement is the
cerebellum
What part of the limbic system controls eating?
hypothalamus
What controls emotion?
amygdala
What controls memory?
hippocampus
Judging and planning are associated with the
frontal lobes
What connects the two brain hemispheres?
the corpus callosum
Plasticity is especially evident in brains of
young children
The right hemisphere ables the person to
make inferences, orchestrates our sense of self, modulates speech
People's failure to recognize themselves in a mirror is most likely to be associated with damage to the
right cerebral hemisphere
The occipital lobes are to ________ as the temporal lobes are to ________.
seeing; hearing
Which brain structure relays information from the eyes to the visual cortex?
thalamus
Which region of your brainstem plays a role in arousing you to a state of alertness when someone nearby mentions your name?
reticular formation
The hypothalamus influences the ________ to send messages to the ________.
pituitary; endocrine glands
What does Broca's area control?
speech
Messages are transmitted from your spinal cord to your heart muscles by the
autonomic nervous system
The sensory cortex is most critical for our sense of
touch
Which of the following is the component of the limbic system that plays an essential role in the processing of new memories?
hippocampus
The motor cortex is located in the ________ lobes.
frontal