Textbook Notes (369,133)
Canada (162,403)
Psychology (663)
PSYC 1001 (161)
all (25)
Chapter 4

oct. 12 chapter 4.docx

4 Pages

Course Code
PSYC 1001

This preview shows page 1. Sign up to view the full 4 pages of the document.
Chapter 4 Sensation and PerceptionSensation and perception the distinctionSensation stimulation of sense organs Perception selection organization and interpretation of sensory input choosing or selecting what to perceive ThresholdsSensations begin with a detectable stimulus detectable environment event Thresholds dividing point between energy levels that are and are not detectable use to take averagesAbsolute threshold detected 50 of the time low in intensity just noticeable differenceJND smallest difference detectable Webers law size of JND proportional to size of initial stimulus when you have a smaller amount of intensity and it increases more likely to notice itlarger intensity the more you need Signal detection theorySignal detection theory sensory processes and decision processesNot a threshold theory Looking at process of making a decision Is the signal present or noteg Do you know the person you see in the coffee shop Factors influencing your decision fatigue peer pressure personal expectations irrelevant noise etcPsychologists study STD to see the way in which we make decisionsBiases are measuredSubliminal perception The registration of sensory input without conscious awareness Eg the Beatles
More Less
Unlock Document

Only page 1 are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.