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Psychology 1000- Midterm Exam Guide - Comprehensive Notes for the exam ( 72 pages long!)


Department
Psychology
Course Code
PSYCH 1000
Professor
Laura Fazakas- De Hoog
Study Guide
Midterm

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Western
Psychology 1000
MIDTERM EXAM
STUDY GUIDE

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Margin Questions
What is the difference
between Sensation and
Perception? Examples of
each?
What is the term for the
traslatio proess that
links the two?
How many senses do
humans have? (i.e. 5
senses? Less? More?)
Main Notes Area
e.g. light eye sound waves ear
Sensation is the stimulation of the sensory receptors
Sensation:
ie. the qualitative experience of the sensation
Organizing sensory input and giving it "meaning"
Perception
Visual receptors: light electrical signal (action potential)
Auditory receptors: sound waves electrical signal (AP)
Olfactory receptors: scent molecules electrical signal (AP)
Touch receptors: physical pressure electrical signal (AP)
the process of ‘translating’ the physical, environmental stimulus into electrical
signals (action potentials)
Transduction:
Transduction applies to all senses
Vision, hearing, taste, touch, smell
We have also, balance, body position, temperature…
We receptors detect CO2and salt concentration in blood; bladder
fullness; blood vessel dilation (headache)…
Humans have more than the standard 5 senses
Robins have an amazing sense of hearing, they actually listen for worms
in the ground - many animals have different senses/sensitivity to a given
sense.
Real life example:
Different Senses
Lecture 12 - Sensation and Perception
Chapter 5 Sensation and Perception
Monday, October 20, 2014
8:36 PM
Psych Study Notes Page 1
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What is the Absolute
Threshold?
What is the relationship
between sensitivity to a
stimulus and the
threshold?
sense.
Absolute threshold
1.
Difference threshold
2.
i.e. Correspondence between physical and perceptual magnitude
Magnitude estimation
3.
Studies how physical stimuli are translated into psychological experiences
Psychophysics:
Idea: we can’t detect everything, so what’s the weakest/lowest level we can
detect?
Absolute threshold:
Lower threshold means we are more sensitive
Absolute Threshold: lowest intensity necessary for a stimulus to be detected
50% of the time
Solution: New Definition
Psych Study Notes Page 2
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