*Unit 3 - Sensory Perception Flashcards
1
Q
What is perception?
A
- how one receives, organizes and interprets sensation
1
Q
What is sensation?
A
ability to perceive stimulation through one’s sensory organs
2
Q
What is sensory perception?
A
- refers to the ability to receive sensory input and, through various physiologic processes in the body, translate the stimulus or data into meaningful info
3
Q
Scope of sensory perception diagram
A
4
Q
What is the sensory input for auditory perception? (2)
A
- Pitch (sensory input)
- frequency of waves
- higher pitch more frequent wave - Loudness (sensory input)
- energy of the wave
5
Q
What are the components of the peripheral auditory system?
A
- external, middle, inner ear
6
Q
What are the components of the central auditory system? (2)
A
- Cranial nerve VIII
– balance and hearing
7
Q
What is visual perception?
A
- perceives light waves
8
Q
What are the components of the external eye (extraocular) for visual perception? (4)
A
- eye lid
- conjunctiva
- lacrimal duct
- eye muscle
9
Q
What are the components of the internal eye (ocular and intraocular) for visual perception? (3)
A
- the outer sclera and cornea
- the middle layer
- the inner layer
10
Q
What is poor vision? (2)
A
- best correct visual acuity of less than 20/40 in the best eye
- so the person can see clearly 20 feet away what the avg person can see at 40 feet
11
Q
What is blindness? (2)
A
- best corrected visual acuity of 20/200 in the best eye
- the person sees clearly at 20 feet what the avg person can see at 200 feet
12
Q
What are examples of secondary vision impairment? (3)
A
- systemic disorders affecting eyes
- diabetes
- diabetic retinopathy
12
Q
What are examples of primary vision impairment? (5)
A
- disease impacting eyes
- cataracts
- glaucoma
- retinal detachment
- macular degeneration
