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Bio Psyc. chapter 4
Terms in this set (45)
What is the Central Nervous System? (CNS)
The Brain and spinal cord.
What is the Peripheral Nervous System?
It consists of the nerves outside the brain and spinal cord.
What are the parts of the PNS?
What is the somatic Nervous system?
It is the sensory nerves (afferent) and the motor nerves (efferent).
What is the Autonomic Nervous System?
The sympathetic nerves (efferent) and the parasympathetic nerves (efferent).
What does the Sympathetic Nervous system do?
Its a network of nerves that prepare the organs for the fight or flight. It's in the Lumbar and Thoracic.
What does the Parasympathetic Nervous System do?
It facilitates vegetative, nonemergency responses.
What does the gray matter of the brain contain?
Primarily cell bodies and dendrites.
What does the white matter of the brain contain?
Mainly myelinated axons.
Knowing that it is appropriate to tackle people on the football field, but not in the classroom is dependent on functioning of the?
One function of the thalamus is to?
relay sensory information to the cerebral cortex.
The cerebellum contributes to the control of what function?
What do the corpus callosum and the anterior commissure have in common?
They are bundles of axons that connect the two hemispheres of the cerebral cortex.
All of the cells in a given column in the cerebral cortex?
Are involved in the same function.
What lobe could result in cortical blindness if damaged?
The occipital lobe
Which lobe of the cerebral cortex is most important for visual information?
Which lobe is important for speech comprehension?
What is the primary area of the cerebral cortex responsible for auditory sensations?
Which lobe of the cerebral cortex is most important for the sense of touch?
What lobe contains the prefrontal cortex?
Which lobe contains the primary motor cortex?
What lobe monitors all the information about the eye, head, and body positions and passes it on to brain areas responsible for movement?
In the spinal cord, white matter is comprised mostly of _______, while gray matter is mostly _______?
Myelinated axons; cell bodies.
What technique is it that creates an image of brain anatomy using x-rays?
CT or cat scan
Technique that involves damaging an area of the brain
Technique that measures the average activity of the cells in a given region of the brain?
Technique that measures magnetic fields?
Technique that involves injecting a radioactive chemical into the blood to measure blood flow?
Which nervous system increases digestive activity?
parasympathetic nervous system
Which nervous system receives and sends information to the heart, intestines, and other organs?
Which nervous system conveys messages from sensory organs to brain and spinal cord and sends messages from brain and spinal cord to muscles?
Which nervous system increases breathing and heart rate?
The sympathetic nervous system.
Damage to which hindbrain structure would be most life-threatening?
What are the three major divisions of the brain?
What are the parts of the hindbrain?
What does the medulla do?
Controls some vital reflexes like breathing, heart rate, vomiting, salivation, coughing, and sneezing.
What do the pons do?
Contains nuclei for several cranial nerves it's the location where axons from each half of the brain cross to the opposite side of the spinal cord so that the left hemi. control the right side and vise versa.
What does the cerebellum do?
Contributions are movement control, balance and coordination.
What are the parts of the midbrain?
What are the parts of the forebrain?
cerebral cortes, cerebrum, basal ganglia, thalamus, limbic system, basal forebrain.
What does the basal ganglia do?
Plan of motor movement, and aspects of memory and emotional expression.
What does the thalamus do?
it's the relay station from sensory organs and main source of input to cortex.
What does the limbic system include?
olfactory bulb, hypothalamus, hippocampus, amygdala, and Cingular gyrus of cerebral cortex
What does the hypothalamus do?
conveys messages to pituitary gland to alter release of hormones, it is also associated with survival behaviors.
What does the hippocampus do?
It is critical for storing long-term memories and spatial navigation.
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