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Only Chapter 12
Integration of Nervous System Functions
121
Anatomy
07/09/2011

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Term
perceive stimuli
Definition
sense is the ability to do what?
Term
environment, body
Definition
senses are the means by which the brain receive information about the _____ and the _____
Term
general, special
Definition
two basic groups of senses are the ____ senses and the ____ senses
Term
smell, taste, sight, hearing, balance
Definition
five special senses are?
Term
somatic, visceral
Definition
general senses include ____ senses such as touch, pressure and proprioception, and _____ senses such as pain and pressure
Term
special, general, somatic
Definition
smell is a ____ sense, while touch is a ____ sense
Term
skin, muscle, joints, internal organs
Definition
somatic general senses are located in ____, ____, and ____, while visceral general senses are located in _____ ____
Term
general, special
Definition
receptors for ____ senses are distributed over a large part of the body, whereas receptros for _____ senses are localized within specific organs
Term
nerve endings, specialized cells
Definition
sensory receptors are sensory _____ ____, or _____ cells capable of responding to stimuli by developing APs
Term
mechanoreceptors
Definition
sensory receptor that responds to mechanical stimuli (compression, bending or stretching of receptors)
Term
mechanoreceptors
Definition
the type of sensory receptor that responds to compression, bending or stretching
Term
chemoreceptors
Definition
the type of sensory receptor that responds to odor molecules
Term
photoreceptors, thermoreceptors
Definition
_____ are receptors tha respond to light, and _____ respond to temperature
Term
nociceptors
Definition
pain receptors are called _______
Term
sensory receptors
Definition
sensory nerve endings or specialized cells capable of responding to stimuli by developing APs
Term
free nerve endings
Definition
the simplest and most common type of sensory receptor, that detects pain, temperature and movement
Term
merkel, follicle, meisner , ruffini end, pacini
Definition
touch receptors includ ____ disks, hair ____ receptors, ___ corpuscles, ____ ____ organs and _____ corpuscles
Term
proprioceptors
Definition
sensory receptors that sense body position and movements are called ?
Term
merkel disks, hair follicle, meisner
Definition
three touch receptors that respond to more or less light touch
Term
ruffini end organs, pacini corpuscles
Definition
two types of touch recepptors that sense continuous touch or deep pressure
Term
pacini corpuscles
Definition
these touch receptors detect deep pressure in dermis and subcu layers, and serve a proprioceptive functions
Term
ruffini end organ
Definition
this type of touch receptor detects continuous touch or pressure and is located in the dermis
Term
pathways/tracts
Definition
this differentiates perception because each is associated with specific types of receptors
Term
anterolateral
Definition
the major function of this system of tracts is to convey cutaneous sensory information to the brain
Term
spinothalamic, spinoreticular
Definition
these two tracts in the anterolateral system of sensory tracts ascend to the thalamus
Term
spinomesencephalic
Definition
this tract in the anterolateral system ascends to the midbrain
Term
spinothalamic, spinoreticular, spinomesencephalic
Definition
three types of tracts in the anterolateral system of sensory tracts
Term
white
Definition
tracts are made of _____ matter
Term
spinoreticular, spinomesencephalic
Definition
these two anterolateral system sensory tracts are unconscious
Term
anterolateral, dorsal column/medial lemniscal system, trigeminothalamic, spinocerebellar
Definition
four types of tracts in ascending sensory system
Term
dorsal, lemniscal
Definition
the ____ column/medial ____ system of ascending neural pathways carries sensations of two-point discrimination, proprioception, pressure and vibration
Term
2-point discrimination, proprioception, pressure, vibration
Definition
the dorsal column/medial lemniscal system of sensory tracts are responsible for what four things?
Term
trigeminothalamic
Definition
this sensory tract carries sensory information from the face, nose and mouth
Term
somatic, visceral, general
Definition
___ senses are located in skin, muscle and joints, while ____ senses are located in internal organs. These are both ____ senses.
Term
touch, pressure, temperature, pain, proprioception
Definition
five general somatic senses
Term
pain, pressure
Definition
two visceral senses
Term
smell taste, sight, hearing, balance
Definition
five special senses
Term
face, nose, mouth
Definition
trigeminothalamic tracts carry sensory information from the ____, ____ and _____
Term
proprioception
Definition
spinocerebellar tracts are responsible for what?
Term
cutaneous
Definition
the anterolateral system conveys _____ sensory information to the brain
Term
pain, temperature, light touch, pressure, tickle, itch
Definition
the spinothalamic tracts carry what six sensations to the brain?
Term
spinoreticular
Definition
this type of sensory tract is responsible for unconscious pain
Term
spinomesencephalic
Definition
this type of unconscious anterolateral sensory tract is responsible for unconscious pain and touch
Term
three, two
Definition
ascending tracts always have ____ neurons, and descending tracts always have ___ neurons
Term
primary neuron, interneurons, secondary, crosses, thalamus, tertiary
Definition
in the spinothalamic tract of the anterolateral system, the ____ ____ enters the spinal cord, synapses with ____, synapses with the ____ neuron, ____ the spinal cord, ascends to the _____ and synapses with the _____ neuron
Term
,
Definition
Term
postcentral
Definition
all sensory tracts end in the _____ gyrus
Term
cerebral
Definition
the somatic sensory cortex is part of the ______ cortex
Term
proprioception
Definition
what sense does the anterolateral system NOT convey?
Term
trigeminothalamic, spinocerebellar
Definition
the two unconscious ascending pathways are the _______ and the _________
Term
precentral, postcentral
Definition
the ____ gyrus processes motor function, while the ______ gyrus processes sensory information
Term
central sulcus
Definition
the precentral and postcentral gyri are separated by the ____- _____
Term
nuclei, anterior
Definition
lower motor neurons are found in the cranial ____ or the ____ horn of the spinal cord gray matter
Term
cerebral, brainstem, cerebellum
Definition
upper motor neurons are located in the ______ cortex, the ____ and the ______
Term
upper motor neurons
Definition
____ ___ ___ form tracts that directly or indirectly control the activities of lower motor neurons
Term
descending
Definition
there are always two neurons in ______ pathways in the spinal cord
Term
upper, lower
Definition
____ motor neurons are located in the cerebral cortex, brainstem and cerebellum, while _____ motor neurons are found in the cranial nuclei or the anterior horn of the spinal cord gray matter
Term
motor function
Definition
the premotor and prefronal areas are staging areas for ____ _____
Term
direct
Definition
___ motor pathways/tracts always arise from the cerebral cortex
Term
upper, lower
Definition
___ motor neurons extend to ___ motor neurons in the brainstem and spinal cord
Term
corticospinal
Definition
the ____ tract controls muscle movements below the head
Term
cerebral cortex, spine
Definition
the corticospinal motor tract goes from the ___ ____ through the _____
Term
distal, fine motor
Definition
the corticospinal tract controls muscles, below the head, especially the ___ limbs and the ___ -___ control
Term
corticospinal
Definition
the ___ motor pathway makes fine motor control of the wrists and fingers possible
Term
corticobulbar
Definition
the _____ tracts innervate the head muscles, except for the muscles moving the eyes
Term
corticobulbar
Definition
if someone's lips were parylized but they could still move their eyes, what tract do you think would be damaged?
Term
cerebral cortex, cerebellum
Definition
indirect motor tracts/pathways arist from what two areas of the brain?
Term
brainstem
Definition
upper motor neurons in indirect pathways extend to _____ nuclei
Term
indirect
Definition
____ motor pathways are involved in conscious and unconscious trunk and proximal limb muscle movements, posture, and balance
Term
trunk, proximal
Definition
indirect motor tracts are involved in conscious and unconscious ____ and ____ limb muscle movements, posture and balance
Term
brainstem nuclei
Definition
upper motor neurons extend to the _____ _____, whose axons extend to the lower motor neurons
Term
direct corticospinal
Definition
_____ _____ descending pathways control conscious skilled movements below the head, and direct ______ tract controls movements of the head and face
Term
ipsilateral
Definition
the cerebellum receives PROPRIOCEPTION input from the ipsilateral/contralateral body?
Term
vestibulo-, spino-, cerebro-
Definition
the three parts of the cerebellum are the ____-cerebellum, which controls balance and eye movement, _____-cerebellum, which corrects discrepancies between intended and actual movements, and ____-cerebellum, which can "learn" highly specific complex motor activities
Term
cerebellum
Definition
the region of the brain that is a MAJOR effector of fine motor skills
Term
left, wernicke's area, broca's area
Definition
speech is located only in the ____ cortex in most people. the ______ area comprehends and formulates speech, and the ____ area receives input from that and sends impulses for the muscle movements required for speech
Term
comprehends and formulates
Definition
the wernicke's area ______ and _____ speech, then sends info to broca's area
Term
impulses, premotor, motor
Definition
broca's area receives input from the wernicke's area and sends ______ to the _____ and _____ areas
Term
hertz
Definition
brain wave frequency on an EEG is expressed in ______
Term
alpha
Definition
____ brain waves are regular, rhythmic and indicate an "idling" brain
Term
beta
Definition
____ brain waves are rhythmic and more irregular, and occur during the awake and mentally alert state
Term
theta
Definition
___ brain waves are common in children, but can occur in frustrated or brain damaged adults
Term
delta
Definition
high amplitude brain waves seen in deep sleep, infancy, and severe brain disorders
Term
sensory
Definition
the kind of memory that's less than a second and acts while something is scanned, evaluated and acted upon
Term
seven or eight
Definition
short term memory lasts a few seconds to a few minutes and is limited to ______ pieces of information
Term
explicit, implicit
Definition
retention of names and dates is an exmple of ___ long-term membory, while skills such as riding a bicycle or playing piano are ____ long-term memory
Term
repetition, existing memories
Definition
short-term memory can become long-term by _______ and association with ____ ______
Term
perceive stimuli
Definition
sense is the ability to do what?
Term
environment, body
Definition
senses are the means by which the brain receive information about the _____ and the _____
Term
general, special
Definition
two basic groups of senses are the ____ senses and the ____ senses
Term
smell, taste, sight, hearing, balance
Definition
five special senses are?
Term
somatic, visceral
Definition
general senses include ____ senses such as touch, pressure and proprioception, and _____ senses such as pain and pressure
Term
special, general, somatic
Definition
smell is a ____ sense, while touch is a ____ sense
Term
skin, muscle, joints, internal organs
Definition
somatic general senses are located in ____, ____, and ____, while visceral general senses are located in _____ ____
Term
general, special
Definition
receptors for ____ senses are distributed over a large part of the body, whereas receptros for _____ senses are localized within specific organs
Term
nerve endings, specialized cells
Definition
sensory receptors are sensory _____ ____, or _____ cells capable of responding to stimuli by developing APs
Term
mechanoreceptors
Definition
sensory receptor that responds to mechanical stimuli (compression, bending or stretching of receptors)
Term
mechanoreceptors
Definition
the type of sensory receptor that responds to compression, bending or stretching
Term
chemoreceptors
Definition
the type of sensory receptor that responds to odor molecules
Term
photoreceptors, thermoreceptors
Definition
_____ are receptors tha respond to light, and _____ respond to temperature
Term
nociceptors
Definition
pain receptors are called _______
Term
sensory receptors
Definition
sensory nerve endings or specialized cells capable of responding to stimuli by developing APs
Term
free nerve endings
Definition
the simplest and most common type of sensory receptor, that detects pain, temperature and movement
Term
merkel, follicle, meisner , ruffini end, pacini
Definition
touch receptors includ ____ disks, hair ____ receptors, ___ corpuscles, ____ ____ organs and _____ corpuscles
Term
proprioceptors
Definition
sensory receptors that sense body position and movements are called ?
Term
merkel disks, hair follicle, meisner
Definition
three touch receptors that respond to more or less light touch
Term
ruffini end organs, pacini corpuscles
Definition
two types of touch recepptors that sense continuous touch or deep pressure
Term
pacini corpuscles
Definition
these touch receptors detect deep pressure in dermis and subcu layers, and serve a proprioceptive functions
Term
ruffini end organ
Definition
this type of touch receptor detects continuous touch or pressure and is located in the dermis
Term
pathways/tracts
Definition
this differentiates perception because each is associated with specific types of receptors
Term
anterolateral
Definition
the major function of this system of tracts is to convey cutaneous sensory information to the brain
Term
spinothalamic, spinoreticular
Definition
these two tracts in the anterolateral system of sensory tracts ascend to the thalamus
Term
spinomesencephalic
Definition
this tract in the anterolateral system ascends to the midbrain
Term
spinothalamic, spinoreticular, spinomesencephalic
Definition
three types of tracts in the anterolateral system of sensory tracts
Term
white
Definition
tracts are made of _____ matter
Term
spinoreticular, spinomesencephalic
Definition
these two anterolateral system sensory tracts are unconscious
Term
anterolateral, dorsal column/medial lemniscal system, trigeminothalamic, spinocerebellar
Definition
four types of tracts in ascending sensory system
Term
dorsal, lemniscal
Definition
the ____ column/medial ____ system of ascending neural pathways carries sensations of two-point discrimination, proprioception, pressure and vibration
Term
2-point discrimination, proprioception, pressure, vibration
Definition
the dorsal column/medial lemniscal system of sensory tracts are responsible for what four things?
Term
trigeminothalamic
Definition
this sensory tract carries sensory information from the face, nose and mouth
Term
contralateral cerebral
Definition
the cerebellum receives input from, and projects to, the ______ ______ motor cortex