Brain Part 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| The thalamus, hypothalamus and the epithalamus make up the | diencephalon
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| part of the diencephalon that receive sensory info, integrates it and sends it to the cerebral cortex | thalamus
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| part of the diencephalon that has a major role in cognition, emotion and memories | thalamus
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| Which part of the diencephalon is a major regulator of homeostasis | hypothalamus
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| Extending from the epithalamus is the ___________ glands | pineal gland
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| this part of the diencephalon is part of the endocrine system and secrete melatonic to regulate the biological clock | epithalamus/pineal gland
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| part of the brain that is the "seat of intelligence" - all conscious acs and higher thought occurs here | cerebrum
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| is the external cerebral cortex made of white or gray matter | gray matter
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| is the internal cerebral cortex made of white or gray matter | white matter
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| what is gray matter nuclei | speckles of gray matter throughout the white matter
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| which is the primary motor area of the cerebrum: precentral gyrus or postcentral gyrus | precentral gyrus
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| which is the primary somatosensory area of the cerebrum: precentral gyrus or postcentral gyrus | postcentral gyrus
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| fibers in the cerebrum that have nerve impulses within gyri in the same hemisphere | association fibers
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| fibers in the cerebrum that correspond to gyrus in the opposite hemisphere | commissural fibers
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| fibers in the cerebrum that are ascending or descending tracts between brain and spinal cord | projection fibers
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| where are basal ganglia found | in masses of gray matter depp within each hemisphere
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| what do basal ganglia do | begin/end movement, attention, memeory, planning, limbic system
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| What do the association areas of teh cerebral cortex do? | put meaning to sensory input...integrate functions
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| What are primary sensory areas responsible for? | only receive input such as shape, color, pitch, taste - DO NOT give meaning or names to the input
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| What are secondary sensory areas responsible for? | giving meaning and recognition to the input received from sensory receptors
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| What lobe has the primary visual sensory area? | occipital lobe
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| What lobe has the auditory primary sensory area? | temporal lobe
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| What lobe has the olfactory primary sensory area? | temporal lobe
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| Where are the primary motor areas found? | precentral gyrus
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| What is Wernicke's area responsible for? | interpretation of words and tone of voice
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| Which part of the brain is reponsible for personality, reasoning and judgement? | prefrontal cortex
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| What part of the brain is responsible for learned motor skills? | premotor cortex
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| brain wave that occurs when awake & resting with eyes closed | alpha
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| brain wave that occurs when eyes are open and performing mental tasks and taking in sensory input | beta
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| type of brain wave that occurs during emotional stress | theta
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| type of brain wave that occurs during deep sleep | delta
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| How many stages of non-REM sleep and how long does it take to complete them? | 4 - takes about 30-45 minutes
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| Stage 1 of non-REM sleep | drifing sensation
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| Stage 2 of non-REM sleep | light sleep - still easily aroused
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| Stage 3 of non-REM sleep | vital signs change
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| Stage 4 of non-REM sleep | deep sleep
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| About how many times does REM sleep occur in a night | about 5
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