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40 Cards in this Set

  • Front
  • Back
This sense emerges late and matures quickly

- information from both sources remains segregated in brain
vision
this sense begins early and matures gradually

- information does not remain segregated in brain
hearing
this is the most important sense for intellectual growth
hearing
when is the highest hearing loss vulnerability period?
between 6 mos. gestation to 2-3 months after birth
can newborns hear low sounds or high sounds better?
low sounds
sensitivity to overall melody or intonation of spoken language
prosody
this aspect of hearing is the 1st to mature

by 6 months perception is almost fully developed
frequency
in regards to sound localization, on which plane can infants localize sound?

... what happens at 6 weeks?
...what happens at 4-5 months?

...how about girls vs. boys at 3-5 months?
horizontal plane

6 weeks declines
4-5 months can localize on vertical plane

3-5 months girls better than boys
how background sounds obscure speech and other sounds of interest

when is this fully matured?
masking

.. fully mature at age 10
slower, higher pitched , highly intonated sound

good for language acquisition
motherese
what percentage of congenital hearing impairments are preventable?

how many babies born deaf?
50% preventable

1/1000 born deaf
what are some causes of hearing impairments?
-prenatal infections
-drugs and chemicals
- perinatal factors
- middle ear infections (80% of all children by age 3)
this disorder is a sensory processing issue


- sound localization and lateralization
- auditory discrimination
-auditory pattern recognition

Difficulty interpretting auditory information when presented in less than optimal listening environment

usually have good hearing acuity
- not easily recognized by professionals
-difficult to differentiate from LD, ADD, ADHD
central auditory processing disorder
(CAPD)
the following are behaviors associated with which diagnosis?

- daydreaming
-forgetfulness
-problems sitting still
-difficulty with time concepts
-problems completing assignments
-dislike of school
- excessive talking in classroom

-increased anxiety and tension
-low self confidence
- increased frustration
- atention seeking
-temper tantrums
-easily upset by new situations
-often prefer to play with younger childre n
CAPD
the following are ways to manage what diagnosis?

Language therapy:
- language and reading
-phoneme recognition
-metacognition and metalinguistics

Compensatory
- teaching
- preferential seating
- sound attenuating devices
- classroom acoustics
CAPD
at what age can you..

- see about 8 inches
- poor acuity
-poor contrast sensitivity
- two dimensional vision
- peripheral vision better than central
- tracking is jerky
- poor color vision

- monocular vision
birth
at what age....

- obligatory looking - gaze gets stuck
- some color discrimination (red, green) but poor blue

- accomodation, convergence, and oculomotor binocular systems are established
2 months
at what age...

- hyperacuity- ability to discriminate features that are up to 10 times finer than size of photoreceptors would theoretically permit
4 months
between 3-6 months do boys or girls lead in binocularity and hyperacuity?
girls
when does maximum accomodation occur?
5 years
in what directions does controlled tracking develop?
vertical - horizontal - diagonal - circular
faces and patterns are seen before linear designs
form vision
at what age have all primary visual abilities emerged?
6 months
at this age all primary visual abilities are almost fully developed
1 year
between the ages of 7-10 who does better on tests of visual spatial skills?

and perception of entire visual field?
1. boys
2. girls
if eyes are crossed or vision obscured past ______ months, baby will faily to develop binocularity
6-8 months
the total process responsible for the reception and cognition of visual stimuli
visual perception
the process of extracting and organizing information from the environment
visual receptive
the ability to interpret and use what is seen
visual cognitive
the integration of perception and action to execute a skilled act
visual perceptual motor integration
focusing on a stationary object
visual fixationq
continued fixation of a moving object so that the image is maintained continuously on the fovea
visual pursuit/ tracking
rapid change of fixating from one point in the visual field to another
saccadic eye movements
binocular depth perception or three dimensional vision
stereopsis
ability of both eyes to turn inward or outward
convergence and divergence
conscious mental effort to concentrate and persist at a visual task
vigilance
ability to remember and recognize a visual symbol without other sensory cues
visual memory
ability to make a clear disctinction to perceive distinguishing features to recognize as distinc

- recognition, matching, categorization
-object perception
-spatial perception
visiaul discrimination
ability to recognize forms and objects as the same in various environments, positions, and sizes
object perceptions
The innate drive for participation in life is dependent on:
Sensation
Perception
Action