Textbook Notes (368,089)
United States (205,937)
Psychology (12)
Chapter 4

PSYC 2003H Chapter 4: Chapter 4: Sensation and Perception
Premium

1 Page
60 Views
Unlock Document

Department
Psychology
Course
PSYC 2003H
Professor
Denise Beike
Semester
Fall

Description
Chapter 4 Sensation and Perception Sensation and Perception are Distinct Activities Sensation: simple stimulation of sensory organ Perception: organization, identification, and interpretation of a sensation in order to form a mental representation Transduction: many sensors in the body convert physical signals from the environment into encoded neural signals sent to CNS Psychophysics Gustav Feschner (18011887): new approach to measuring sensation and perception Psychophysics: methods that measure the strength of a stimulus and the observers sensitivity to it Measuring Thresholds begin measuring process with a single sensory signal Absolute threshold: the minimal intensity needed to just barely detect a stimulus in 50 of the trials Just noticeable difference (JND): the minimal change in a stimulus that can just barely be detected not a fixed quantity proportion between stimuli is important Webers Law: the JND of a stimulus is a constant proportion despite variations in intensity
More Less

Related notes for PSYC 2003H

Log In


OR

Join OneClass

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

Sign up

Join to view


OR

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.


Submit