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life span
week 5
66
Anatomy
Graduate
02/08/2011

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Cards

Term
somatic senses
Definition
pain
proprioception
temperature
touch
Term
sensory recpetors for somatic senses
Definition
mechanoreceptors
nocioceptors
thermareceptors
Term
the earliest reponse to touch is avoidance this occurs during __________.
Definition
prenatal deveopment
Term
throughout infancy touch differentiation occurs as early as_________
Definition
1 month
Term
throughout infancy what occurs at
1 month_______
7-9 monthes________
9 monthes_______
12-16 monthes_________
Definition
touch differentation
general localization to touch
gains info from manipulation of objects
specific localization to touch
Term
2 point discrmintation occurs by
Definition
4 years
Term
arounnd age 5 to 12 develop __________
Definition
praxis- ability to motor plan
Term
_______ and _______ are key modailities for learning
Definition
touch
movement
Term
in adulthood structural changes in the skin contribute to decline in
Definition
perception of touch
temperature
pain
vibration
Term
the somtic sensesat age 40 have higher thresholds for
Definition
touch
pressure
*usually in hands and feet
Term
kinesthia decreases with
Definition
age
Term
kinesthia starts to decline from age
Definition
20-80
2x greater over the age of 50
Term
vibration sensne delcines after age 80 is the ue or le affected more?
Definition
le
Term
deep pain perception _________ in elderly
Definition
decreases
Term
superficial pain is always the same.
T OR F
Definition
F, superficial pain varies with age
Term
________ and ______ are vital for development of body scheme
Definition
somatic senses
motor skills
Term
somatic senses assist with perceptual knowledge of where one is in space and in relation to other objects and people
T OR F
Definition
TRUE
Term
sensory porcessing disorders inchildren involvesomatic senses and is thought to contribute to
Definition
motor dysfunction
Term
age related senses reflect difficulty w the perception of somtic senses and this increases the risk for
Definition
injury
Term
____________structures are complete by 20 weeks and full size by birth
Definition
eye
Term
the eye is innervated by
Definition
CNII
CNIII
CNIV
VI
Term
MYELINATION OF THE ________ NERVE IS INCOMPLETE AT BIRTH. This process is finished by ____ after birth
Definition
OPTIC N
10 weeks
Term
newnborn vision is 20/800, near sighted at birth and see in
Definition
black and white
Term
newborns see some colors by____ and full color by ______
Definition
2 monthes
4 monthes
Term
newborns are sensitive to ______
have _______ eye movmts
_______ is ok til 2-3 monthes
can track to midline from __________
Definition
bright
random
nystagmus
peripheral stimulus
Term
fucntional significance for vision in infancy
Definition
-focuses at 10"
-fixing on object precedes tracking
Term
by 4 to 5 monthes tracking is
Definition
consistently across midline
Term
by 6 monthes vision is
Definition
-binnocular fixation
-trackihng smoothly across midline
-convergence/divergence
-gaze shifts all directions & distances
-eye mvmt individual of head movement
Term
vision in childhood




vision is 20/20 by age
visual closure by age
Definition
3
5
Term
discrminate figure ground "hidden objects" bt age
Definition
8
Term
in childhood by age 5 you begin ______ moving objects
Definition
tracking
ex. sports
Term
depth perception is at adult levels bythe age of
Definition
12
Term
in adulthood cataracts begin at age ___.
by age 80 _____ % has cataracts
Definition
30
60-85%
Term
your acuity increases between 20-40 and decreases in _______. by 80 you have an ___% loss
Definition
50
80%
Term
vision lens accomodatioon in the forties turns to
Definition
presbyopia
Term
fucntional significance of vision is
- decreased in _______ can increase falls
-decreased in visual acuity impacts ____
-difficulty c near vision impacts_______
Definition
-depth perception
-driving ability for older adults
-reading efficiency
Term
it is important to screen_________
Definition
vision
Term
vestibular end organ achieves adult size by _______
myelinization occurs by ________
Definition
-22 weeks gaestation
-9.5 weeks after born, it is the firest system to be myelinated
Term
hearing and vestibular in innervated by

other interconnections are
Definition
CN VIII

-cervical spinal cord
oculomotor
cerebellum
ipsilateral vestibular nuclei
reticular foramtion
thalamus
Term
________ reflex ensures gaze stability during head movements
Definition
vor
Term
hearing is innervated by
Definition
vestibulocochlear n
Term
proprptio sense interrelationships in
Definition
brainstem and cerebellum
Term
infancy the input into vestibular system is through
Definition
movments like reflexes and repetition
*they are intrinsically motivated to move and repeat and practice for thee pleasure of mvmt
Term
childhood vestibular system is done through
Definition
-repetition of mvmt
-by gross motor play like swinging, rolling, spinning
Term
young children rely more on ________ than the vetibular system for functional bal
Definition
vision
Term
adulthood vestibular changes
Definition
-physiological
-degeneration of hair cells over 50
-neural changes in CN VIII OVER 40
-presbyastasis
-dysequillibrium
-dyanamic system/vestibuar rehab
Term
dysequillibrium is secindary to
Definition
peripheral (end organ)and central vestibular systems changes
Term
fcuntional significance of vestibular changes
Definition
- postural control
-impacts gross motor development
-inactivity decreases overall function of vestibular system then if you are active
Term
hearing embryology the ears are formed by _____.
interanl structures adult size and shae by ________
Definition
-24-28 weeks
-20-22 weeks
Term
auditory acuity=
Definition
ear
Term
auditory cortex helps with
Definition
interpretation and meaning
Term
hearing mylinization is completed by
Definition
1 month
Term
newborn physiological changes in response to sound stimulus
Definition
facial grimacing, eye blinking, crying, respiratory patterns changes
Term
turing head to sound at _____
searching behavior toward sound _____
vocal imitation from stimulus _____
Definition
3 monthes
4 monthes
5-6 monthes
Term
turing head to sound at _____
searching behavior toward sound _____
vocal imitation from stimulus _____
Definition
3 monthes
4 monthes
5-6 monthes
Term
short meatus becomes adult size by
Definition
9 yrs
Term
increased risk of otitis media secondary to horizontal eustachian tubes this leads too
Definition
increased hearing loss, language development when chronic
Term
pinna
Definition
outer ear
Term
at 2 years this moves more vertical
Definition
eustachian tube moves more vertical
Term
listening skills develop at ___
auditory mastery____
adult latency values in conduction____
Definition
2 years
3 yrs
4 yrs
Term
as auditory mastery evolves there can be a specific__________
Definition
learning disability or auditory defensivenss
Term
fucntional significance for hearing is
Definition
-communication
-children auditory processing accompanies language development
-older adults need to allow time for processing and response time
-safety awareness for children and adults ex. sirens
Term
in adulthood the organ of corti
Definition
loses hair cells as hi frequency cells first
Term
in adulthood central factors in the cortex
Definition
displays increased auditory processing time and decreases neuron cell counts in temporal lobes
Term
in adulthood the cartilage in the eternal ear
Definition
softens and lengthens
Term
presbycusis is
Definition
age realted hearioss in absence of other diseases
75% in person over 70
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