Flashcards in Exam 3 Deck (18)
difference in the images received by the two eyes as a result of their different locations.
sharpness in sight. By age 10 their vision is 20/20
a condition that affects the ability to see nearby images (can be corrected with lenses) becomes clinically significant
Figure and ground perception
objects of interest seen as distinct from background
Ex. Puzzle pages of embedded objects
Whole and part perception
parts of a picture or object discriminated from whole, yet can be integrated
the change in optical location for objects at different distances during viewer motion. Nearer objects overlap more distant objects.
the awareness that one’s body has two distinct sides that can move independently
- children show adultlike responses by age 10 years
- labeling left and right improves in late childhood
preferring one eye, ear, hand, foot over the other
- Infants show preferences
- Handedness is established around 4 years of age
is the neural activity triggered by a stimulus activating a sensory receptor
- Sensory nerve impulses travel sensory nerve pathways to the brain
is a multistage process in the central nervous system. Perception is the process whereby we attach meaning to sensory stimuli
Ex: Selection, processing, organization and integration
identifying body parts: children improve in labeling
what are the 2 different kinds of proprioceptors in kinesthetic development?
1. somatosensors – located in muscular system
2. vestibular apparatus – inner ear
what are the 3 structures that are involved in hearing?
3. Cochlea of the inner ear
Know the symptoms of a visual problem
- lack of eye-hand coordination
- under or overreaching for objects
- unusual head movements
How does the absolute threshold in the auditory system change with aging?
- Hearing loss (presbycusis) is more frequent in older adults
- Life long exposure to environmental noise
What is a newborns level of acuity?
In the first month, acuity is 20/400 (5% of adult level)
Is the grasping of an object