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IP-MH-CH. 4-SENSATION AND PERCEPTION- Part 1

SENSATION AND PERCEPTION - PART 2
by

Linda Olson

on 27 August 2016

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Transcript of IP-MH-CH. 4-SENSATION AND PERCEPTION- Part 1

SENSATION - is the process of receiving stimulus energies from the external environment and transforming those energies into neural energy.

PERCEPTION is the process of organizing and interpreting sensory information so that it makes sense.


Information arriving from the sense organs creates sensations.
SELECTIVE ATTENTION - GIVING PRIORITY TO A PARTICULAR INCOMING SENSORY MESSAGE.
In-attentional Blindness is a failure to notice a stimulus because attention is focused elsewhere.
HEARING
HEARING LOSS
2 Most Common Types:
Sensori-Neural - caused by
damage to the inner ear
hair cells or auditory nerve.
Noise-induced - caused by exposing
the hair cells to excessively loud sounds.
Children who receive a cochlear implant before age 2 learn spoken language at a near normal rate.
Smell, Taste, and Touch
In humans about 400-1000 types of smell receptors are believed to exist.
Four basic taste sensations: sweet, salt, sour, and bitter.
Skin receptors produce at least 5 different sensations: light touch, pressure, pain, cold, and warmth.

PAIN - is the body's warning system.
Acupuncture produces short-term pain relief for about 50% of patients tested.
Success!
Vestibular System - It is the sensory system that provides the leading contribution about movement and sense of balance.
SENSATION & PERCEPTION - PART 1
When the brain organizes sensations into meaningful patterns, we speak of perceptions.
Sensory Coding refers to converting important features of the world into neural messages, understood by the brain.
The Best Optical Illusions Ever Zeltrax 15
Selective Attention Test - Daniel Simons
Young Boy Hears His Mother For the First Time with a Cochlear Implant....Cochlear Americas
The most important sense is vision. Vision is a remarkable process that involves the brain's interpretation of the visual information sent from the eyes.
VISION
A Journey Through the Human Eye: How We See
Bausch and Lomb
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