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The subarachnoid space surrounds the brain and spinal cord. The subarachnoid space is filled with cerebrospinal fluid. What does this fluid help with?
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The electrical activity of the CNS is governed by nerons located throughout the sensory and motor neral pathways. The CNS contains upper motor neurons that influence the lower motor nerons. Where are these mosty located?
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Peripheral Nervous system
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The cerebrum has a right and left hemisphere (conected by corpus callosum). When the left hemisphere has recieved an impulse what side of the body is it coming from?
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Right side of the body
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Each cerebral hemisphere is divided into 4 lobes. What are the names of the lobes?
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Fronal lobe, parietal lobe, occipital lobe, and temporal lobe
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What cerebral lobe function is: Directs voulunarty skeletal actions. Also influences communication, emotions, intellect, reasoning ability, judgment, and behavior. Contains the Broca's area (responsible for speech)?
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The fronal lobe of the cerebral hemisphere
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What cerebral lobe function is: Interprets tactile sensations, including touch, pain, temp, shapes, and two-point discrimination?
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The parietal lobe of the cerebral hemisphere
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What cerebral lobe function is: Influences the ability to read with understanding and is the primary visual receptor center?
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The occipital lobe of the cerebral hemisphere
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What cerebral lobe function is: Reveives and interprets impulses from the ear. Contains Wernicke's area (resoponsible for interpreting auditory stimuli)?
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The temporal lobe of the cerebral hemisphere
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What do the lobes consist of?
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Grey matter (which mediates higher-level functions: memory, perception, communication, and initiation of voluntary movements. Grey matter also makes the cerebral cortex.
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Diencephalon consists of 2 parts. What are they?
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The thalamus and hypothalamus
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Most sensory impulses travel throught the grey matter of the?
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Thalamus.
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What part of the brain sends the sensory pulses to the specific areas of the cerebral cortex?
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Thalamus
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The hypothalamus (which is part of the autonomic nervous system, which is part of the peripheral nervous system) is responsible for what?
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Regulation of may body functions
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The brain stem is located between the cerebral cortex and the spinal cord. It consists of mostly nerve fibers and has three parts. What are the three parts?
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Midbrain, pons, and medulla oblongata
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What does the midbrain serve as?
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