UC Berkeley Psych 1 Exam 1 (2026-2027
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neurons
nerve cells where brain processes messages
glia
support the neurons in many ways--insulating, synchronizing
activity, removing waste
cell body
contains nucleus
dendrites
widely branching ("tree"), receive transmissions
axon
single, long, thin, straight fiber, branches at tip
action potential
excitation that travels along an axon at a constant strength
resting potential
electrical polarization across membrane
terminal bouton
presynaptic ending
neurotransmitter
chemical that can activate receptors on other neurons
post-synaptic neuron
, neuron on receiving end of synapse
Parkinson's disease
1% of people over 50; difficulty initiating voluntary movement, slow
movement, tremors, rigidity, depression
dopamine
neurotransmitter
physiological explanation
describes mechanism that produces a behavior
evolutionary explanation
relates behavior to the evolutionary history of the species
electroencephalograph (EEG)
uses electrodes on the scalp to record rapid changes in brain
electrical activity
magnetoencephalograph (MEG)
records magnetic changes
positron-emission tomography (PET)
records radioactivity of various brain areas emitted from injected
chemicals
functional magnetic resonance imaging (fMRI)
uses magnetic detectors outside the head to compare the amounts
of hemoglobin with and without oxygen in different brain areas
central nervous system
brain and spinal cord
peripheral nervous system
bundles of nerves between the spinal cord and the rest of the body
cerebral cortex
outer covering of forebrain
occipital lobe
rear of head, specialized for vision; damage causes cortical
blindness
temporal lobe
sides of head, hearing and complex aspects of vision
Updated Version) with Real Exam
Questions and Trusted Answers / Fully
Solved / Already Rated A+
neurons
nerve cells where brain processes messages
glia
support the neurons in many ways--insulating, synchronizing
activity, removing waste
cell body
contains nucleus
dendrites
widely branching ("tree"), receive transmissions
axon
single, long, thin, straight fiber, branches at tip
action potential
excitation that travels along an axon at a constant strength
resting potential
electrical polarization across membrane
terminal bouton
presynaptic ending
neurotransmitter
chemical that can activate receptors on other neurons
post-synaptic neuron
, neuron on receiving end of synapse
Parkinson's disease
1% of people over 50; difficulty initiating voluntary movement, slow
movement, tremors, rigidity, depression
dopamine
neurotransmitter
physiological explanation
describes mechanism that produces a behavior
evolutionary explanation
relates behavior to the evolutionary history of the species
electroencephalograph (EEG)
uses electrodes on the scalp to record rapid changes in brain
electrical activity
magnetoencephalograph (MEG)
records magnetic changes
positron-emission tomography (PET)
records radioactivity of various brain areas emitted from injected
chemicals
functional magnetic resonance imaging (fMRI)
uses magnetic detectors outside the head to compare the amounts
of hemoglobin with and without oxygen in different brain areas
central nervous system
brain and spinal cord
peripheral nervous system
bundles of nerves between the spinal cord and the rest of the body
cerebral cortex
outer covering of forebrain
occipital lobe
rear of head, specialized for vision; damage causes cortical
blindness
temporal lobe
sides of head, hearing and complex aspects of vision
