Are You Highly Sensitive? A Self- test .
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Transcript of Are You Highly Sensitive? A Self- test .
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Are You Highly Sensitive? A Self- test.
Read and answer survey questions
Add your totalrange between 27-189
100+ = sensitive
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Objective 1: What are sensation & perception?
• Sensation– the process by which our sensory receptors and
nervous system receive and represent stimulus energies from our environment
• Perception– process of organizing and interpreting sensory
information, enabling us to recognize meaningful objects and events
• One continuous process
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Objective 2:What three steps are basic to all our sensory systems?
1. receive sensory information
2. transform that stimulation into neural impulses
3. deliver the neural information to your brain
TRANSDUCTION – the process of converting one form of energy into
another form that your brain can use
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Objective 3: What are absolute & difference thresholds? What
is Weber’s Law?
Absolute threshold the minimum stimulation
necessary to detect a particular stimulus 50% of the time.
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ThresholdsDifference Thresholds
Difference thresholdJust noticeable difference (jnd)
Smallest difference between 2 stimuli which a subject can detect at least 50% of the time
The detectable difference
increases w/ the size of the stimulus
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Weber’s LawTwo stimuli must differ by a constant proportion not a constant amount for a difference to be detected
The louder the sound is, the brighter a light is, the more you would have to change it, proportionally, to notice a difference
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If the just-noticeable difference (jnd) for a 10 ounce weight is 1 ounce, the jnd for an 80 ounce weight would be _____ ounces
a. 1b. 2c. 4d. 8e. 10
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Joey’s bag of marbles is twice as heavy as Luke’s. If it takes 5 extra marbles to make Luke’s bag feel heavier, it will take 10 extra marbles to make Joey’s bag feel heavier. This best illustrates
a. absolute thresholdb. sensory adaptationc. Weber’s Law
2 stimuli must differ by a constant proportion for their difference to be
perceived
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Just noticeable difference
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Just noticeable difference
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Just noticeable difference
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Just noticeable difference
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Just noticeable difference
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Just noticeable difference
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Just noticeable difference
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Just noticeable difference
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Just noticeable difference
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Just noticeable difference
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Just noticeable difference
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Just noticeable difference
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Just noticeable difference
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If an adult develops cataracts, his or her
A. absolute threshold for light is likely to increase.
B. difference threshold for light is likely to decrease.
C. absolute threshold for light is likely to decrease.
D. difference threshold for light is likely to remain unchanged.
E. Absolute threshold for light is likely to remain the same.
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Some people are better than others at detecting slight variations in the tastes of various blends of coffee. This best illustrates the importance of
A. Absolute thresholdB. Difference thresholdC. Subliminal stimulation
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You are going to briefly look at a picture then answer some questions. DO NOT DWELL
ON THE PICTURE. Look at it long enough to “take it all in” once. After this, you will answer a series of yes/no questions.
Circus act - training a seal
Costume Ball - Dancing
HEADS DOWN – CLOSE EYES
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Raise Your Hand for a “Yes” AnswerIn the picture, was there:an automobile? a man?a woman?a child?an animal?a whip?a sword?a man’s hat?a ball?a fish?
(masking stimulus)
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…Objective 3…Subliminal
Under awareness
PrimeTo be made aware of a stimulusto “get ready” for a stimulusactivates unconscious awareness
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Objective 4:
Subliminal PersuasionMessages under our awareness that get you to alter your behavior
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Another One Bites The Dusthttp://www.youtube.com/watch?v=7MMMjLDdH-A
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Objective 5What function does sensory adaptation serve?Sensory adaptation
Reduced sensitivity to a repeated stimulus
Helps us notice new stimuli in our environment
Keeps our senses from getting fatigued
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Perceptual Set
A mental predisposition to perceive one thing and not
the other
Brain Games: Seeing Isn’t Believinghttp://www.youtube.com/watch?v=UyGkMhWE194
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Objective 6Perceptual Set can effect what we see
Perceptual set can effect what we hearhttp://www.youtube.com/watch?v=G-lN8vWm3m0
Context EffectsCultureperspective