Psychology Quiz: Brain Parts and Functions || with Complete Solutions.
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Psychology : Brain Parts and Functions
Institution
Psychology : Brain Parts And Functions
Brainstem correct answers The oldest part and central core of the brain, beginning where the spinal cord swells as it enters the skull; the brainstem is responsible for automatic survival functions.
Medulla correct answers The base of the brain stem; controls heartbeat and breathing.
Reticula...
Psychology Quiz: Brain Parts and Functions || with
Complete Solutions.
Brainstem correct answers The oldest part and central core of the brain, beginning where the
spinal cord swells as it enters the skull; the brainstem is responsible for automatic survival
functions.
Medulla correct answers The base of the brain stem; controls heartbeat and breathing.
Reticular formation correct answers A nerve network in the brainstem that plays an important
role in controlling arousal.
Thalamus correct answers The brain's sensory switchboard, located on top of the brainstem;
directs messages to the sensory receiving areas in the cortex and transmits replies to the
cerebellum and medulla.
Cerebellum correct answers The "little brain" attached to the rear of the brainstem; its functions
include processing sensory input and coordinating movement output and balance.
Limbic system correct answers A doughnut shaped system of neural structures at the border of
the brainstem and cerebral hemisphere; associated with emotions such as fear and aggression and
drives for food and sex. Includes the hippocampus, amygdala and hypothalamus.
Amygdala correct answers Two lima bean shaped neural clusters that are components of the
limbic systems and are linked to emotions.
Cerebral cortex correct answers The intricate fabric of interconnected neural cells that covers the
cerebral hemispheres; the body's ultimate control and information processing center.
Frontal lobe correct answers The portion of the cerebral cortex lying just behind the forehead;
involved in speaking and muscle movements, and in making plans and judgement.
Parietal lobe correct answers The portion of the cerebral cortex lying at the top of the head and
toward the rear; receives sensory input for touch and body position.
Occipital lobe correct answers The portion of the cerebral cortex lying at the back of the head;
includes the visual areas, which receives visual information primarily from the opposite visual
field.
Temporal lobe correct answers The portion of the cerebral cortex lying roughly above the ears;
includes the auditory areas, each of which receives auditory information primarily from the
opposite ear.
, Hypothalamus correct answers A neural structure lying below the thalamus; it directs several
maintenance activities (eating, drinking, body temperature), helps govern the endocrine system
via the pituitary gland, and is linked to emotion.
Motor cortex correct answers An area at the rear of the frontal lobes that controls voluntary
movement.
Sensory cortex correct answers The area at the front of the parietal lobes that registers and
processes body touch and movement sensations.
Association areas correct answers Areas of the cerebral cortex that are not involved in primary
motor or sensory functions; rather, they are involved in higher mental functions such as learning,
remembering, thinking, and speaking.
Broca's area correct answers Controls language expression; an area in the frontal lobe, usually in
the left hemisphere, that directs the muscle movements involved in speech.
Wernicke's area correct answers Controls language reception; a brain area involved in language
comprehension and expression; usually in the left temporal lobe.
Corpus callosum correct answers The large band of neural fibers connecting the two brain
hemispheres and carrying messages between them.
Threshold correct answers The level of stimulation required to trigger a neural impulse.
Synapse correct answers The junction between the axon tip of the sending neuron and the
dendrite or cell body of the receiving neuron. The tiny gap at this junction is called the synaptic
gap or cleft.
Neurotransmitters correct answers Chemical messengers that traverse between the synaptic gaps
between neurons. When released by the sending neuron, neurotransmitters travel across the
synapse and bind to receptor sites on the receiving neuron, thereby influencing whether that
neuron will generate a neural impulse.
Acetylcholine (ACH) correct answers A neurotransmitter that enables learning and memory, and
also triggers muscle action; Alzheimer's.
Endorphins correct answers Natural, opiate-like neurotransmitters linked to pain control and to
pleasure.
Biological psychology correct answers A branch of psychology concerned with the links
between biology and behavior.
Neuron correct answers A nerve cell; the basic building block of the nervous system.
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