SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and...

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SENSATION AND PERCEPTION

Transcript of SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and...

Page 1: SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and nervous system receive and represent stimulus energies.

SENSATION AND PERCEPTION

Page 2: SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and nervous system receive and represent stimulus energies.

DEFINITIONS

Sensation: the process in which our sensory receptors and nervous system receive and represent stimulus energies from our environment

Perception: the process of organizing and interpreting sensory information, enabling us to recognize meaningful objects and events

Page 3: SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and nervous system receive and represent stimulus energies.

THRESHOLDS

Absolute threshold: the minimum stimulation needed to detect a particular stimulus 50 percent of the time

Subliminal: below one’s absolute threshold for conscious awareness

Difference threshold: the minimum difference between two stimuli required for detection 50 percent of the time

Webster’s Law: the principle that, to be perceived as different, two stimuli must differ by a constant minimum percentage (rather than a constant amount)

Sensory adaption: diminished sensitivity as a consequence of constant stimulation

Page 4: SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and nervous system receive and represent stimulus energies.

VISION

Our eyes receive light energy and transduce it into neural messages that our brain then processes into what we consciously see.

Two physical characteristics of light are the wavelength – the distance from one wave peak to the next and the intensity or brightness/energy of the light waves

Page 5: SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and nervous system receive and represent stimulus energies.

THE EYE

Page 6: SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and nervous system receive and represent stimulus energies.

VISUAL PROCESSING

Page 7: SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and nervous system receive and represent stimulus energies.

HEARING

Our audition or hearing is very adaptive

The physical characteristics of sounds are its frequency of waves and the pitch of the sound

Page 8: SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and nervous system receive and represent stimulus energies.

THE EAR

Page 9: SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and nervous system receive and represent stimulus energies.

AUDIO PROCESSING

Page 10: SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and nervous system receive and represent stimulus energies.

TOUCH

Skin sensations vary into four groups – pressure, warmth, cold, and pain

Kinesthesis: the system for sensing the positions and movement of our individual body parts

Vestibular sense: the sense of body movement and position, including balance

http://www.youtube.com/watch?v=sxwn1w7MJvk

http://www.youtube.com/watch?v=sxwn1w7MJvk
http://www.youtube.com/watch?v=sxwn1w7MJvk
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TASTE

Basic tastes are: sweet, salty, sour, bitter

Sensory interaction includes smell plus texture equals flavor

Page 12: SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and nervous system receive and represent stimulus energies.

TASTE ZONES

Page 13: SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and nervous system receive and represent stimulus energies.

SMELL

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HOW SENSES GO WITH PERCEPTION

http://www.youtube.com/watch?v=4OelrPzpQ6Q

http://www.youtube.com/watch?v=4OelrPzpQ6Q
http://www.youtube.com/watch?v=4OelrPzpQ6Q
Page 15: SENSATION AND PERCEPTION. DEFINITIONS Sensation: the process in which our sensory receptors and nervous system receive and represent stimulus energies.

VIDEOS

http://www.youtube.com/watch?v=zNbF006Y5x4&playnext=1&list=PLBAA093DAADDF09A6&feature=results_main

Your senses concluding assumption

http://www.youtube.com/watch?v=hCV2Ba5wrcs Perception explained

http://www.youtube.com/watch?v=zNbF006Y5x4&playnext=1&list=PLBAA093DAADDF09A6&feature=results_main
http://www.youtube.com/watch?v=zNbF006Y5x4&playnext=1&list=PLBAA093DAADDF09A6&feature=results_main
http://www.youtube.com/watch?v=zNbF006Y5x4&playnext=1&list=PLBAA093DAADDF09A6&feature=results_main
http://www.youtube.com/watch?v=hCV2Ba5wrcs
http://www.youtube.com/watch?v=hCV2Ba5wrcs

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