Part 9 Flashcards
○ Cortical visual impairment (CVI)
■ Damage to the ___ due to trauma, anoxia, or malformation. Multiple visual defects
visual pathway
Causes of CVI
○ Lack of blood supply/oxygen to the brain ○ Head injury ○ Meningitis and encephalitis ○ Hydrocephalus ○ Neonatal hypoglycemia (very low blood sugar at birth) ○ Premature birth ○ CP ○ Hemiplegia ○ Certain chromosome disorders ○ No obvious reason
● Visual & Behavioral Characteristics of CVI
○ Attraction to ___: may have preferred ___(usually ___ or ____), use it as a visual anchor.
○
○ Visual latency: visual response time. Amount of time between being presented with object and when it is visually located. May be prolonged during times of stress, when student is tired, or over stimulated
○ Field preferences: many children have preference for peripheral field, may not see inferior visual field, may have homonymous hemianopsia
color
color
red or yellow
Movement (____stream): may help child attend, or may distract. May only view object if it is moving or if the child is moving. “Things that move together belong together)
dorsal
○ Complexity (___stream)
■ Pattern on surface of object
■ Background on which object is placed
■ Sensory environment and competing stimuli
ventral
In people with CVI, ○ Blink reflexes: may be latent, non existent, or over reactive
■ Visual _____ = when touched on bridge of nose
■ Visual ___ = when fast moving object moves towards eye at midline
bling
threat
○ Ventral stream= \_\_\_\_\_ perception ■ What ■ Tied to visual acuity ■ Detail, color, form ■ Object identification ■ MEMORY- picture library ■ “foreground attention” ■ visual discrimination ■ Figure-ground ■ Visual memory ■ Sequential memory ■ Form constancy ■ Visual closure
object
○ Dorsal Stream= \_\_\_\_ perception ■ Where ■ Tied to visual fields ■ Motion, low light ■ Spatial orientation ■ MAP- guide movement ■ “Background attention” ■ Position in space ■ Spatial relationships ■ Depth perception
spatia
• As of September 2014—US Bureau of Labor
o __% of people with disabilities of working age, were either unemployed or has not entered the workforce as compared to __% of people without disabilities of working age
82
35
o Unemployment rate for people with disabilities was __% as compared to __% for non-disabled peers
12
5.5
• Most recent revision and reauthorization of IDEIA includes a general purpose statement and strengthens to language of:
o Access to the general curriculum
o Participation in the least restrictive environment
o Transition planning and services
• Transition services defined
coordinated set of activities for a child with a disability that is designed to be a results oriented process focused on improving the academic and functional and achievement of the child with a disability to facilitate the child’s movement from school to employment, continuing and adult education, adult services, independent living or community participation
Transition services include
Instruction
Related services
Community experiences
The development of employment and other post-school adult living objectives
If appropriate, acquisition of daily living skills and provision of functional vocational evaluation
\:Models of Practice • Direct service: \_\_\_-\_\_\_ • • • •
pull out
Models of Practice- Monitoring: ___-__
Push in