PSYC 100 Lecture Notes - Lecture 8: Lite-Brite, Infrasound, Sound Intensity

52 views4 pages
24 Jul 2016
Department
Course
Professor
PSYCHOLOGY 100 – ONLINE LESSON 8
Topic 1: What Is Sensation?
Explain the processes by which physical energy is interpreted by the brain
Describe how physical characteristics correspond to psychological characteristics
Topic 2: Introduction to Psychophysics
Compare and contrast sensation and perception
Explain the approach used to find and describe lawful relationships between physical stimuli and our
perception of those stimuli
Topic 3: Approaches to the Study of Perception
Compare and contrast sensation and perception
Evaluate the structuralist, Gestalt, and constructivist approaches to perception
1. SENSATION
Sensation: process by which our sensory systems gather information about the
environment. Processes that turn chemical, mechanical, sound and light energy in the world
into electrical signals in the brain
Perception: selection, organization, and interpretation of sensations as meaningful
objects and events. Extracting meaning from what you sense
It is not the form of physical energy that determines nature of sensation, but rather
nature of neurons, receptors, and nerves activated by the stimulus
Sensory adaptation: neurons fatigue and get tired and stop firing after continuous
stimulation, stimulus is no longer registered by sensory systems, decrease in sensitivity after
repeated stimulation, receptor neurons remain in refractory period, harder than normal to
elicit action potential
oAllows us to ignore safe, unchanging stimuli and become more alert to danger
or sudden changes in environment
oBrains are finite size, information needs to be compressed and reduced to
process new changing stimuli
find more resources at oneclass.com
find more resources at oneclass.com
Unlock document

This preview shows page 1 of the document.
Unlock all 4 pages and 3 million more documents.

Already have an account? Log in

Get access

Grade+
$10 USD/m
Billed $120 USD annually
Homework Help
Class Notes
Textbook Notes
40 Verified Answers
Study Guides
1 Booster Class
Class+
$8 USD/m
Billed $96 USD annually
Homework Help
Class Notes
Textbook Notes
30 Verified Answers
Study Guides
1 Booster Class