Textbook Notes (280,000)
CA (160,000)
Queen's (3,000)
PSY (1,000)
PSYC 100 (300)

PSYC 100 Chapter Notes -Receiver Operating Characteristic, Absolute Threshold, Detection Theory

Course Code
PSYC 100
Ingrid Johnsrude

This preview shows page 1. to view the full 4 pages of the document.
Sensation and Perception 6/8/2012 6:47:00 AM
Sensation detection of simple properties of stimuli (brightness, colour, warmth)
Perception detection of objects, their locations, their movements and their
E.g., seeing a colour red is sensation, but seeing a red apple is perception
Transduction - the process by which sense organs concert energy from environmental
events into neural activity
Receptor cell a neuron that directly responds to a physical stimulus, such as light or
Anatomical coding interpreting the location and type of sensory stimulus according to
which incoming nerve fibres are active
E.g. rubbing your eyes will mechanically stimulate the light sensitive receptors located
there. This then produces action potential in the axons of the nerves that connect the
eyes with the brain
Temporal coding the coding of information in terms of a time (such as rate)
You're Reading a Preview

Unlock to view full version