The process by which sensory receptors detect stimuli from the environment.

Interpreting sensory information into meaningful experience.

Processing that starts with sensory input to build up complete understanding.

Processing guided by expectations and knowledge.

Minimum stimulus needed to detect something 50% of the time.

Just noticeable difference/difference threshold

Smallest difference between stimuli detected 50% of the time.

Signal detection theory

A theory that predicts how and when we detect a faint stimulus amid background noise

Cocktail party effect

The ability to focus attention on one conversation while filtering out other background noise.

Focusing on one stimulus while ignoring others.

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Sensation & Perception

Question	Answer
Sensation	The process by which sensory receptors detect stimuli from the environment.
Perception	Interpreting sensory information into meaningful experience.
Bottom up processing	Processing that starts with sensory input to build up complete understanding.
Top down processing	Processing guided by expectations and knowledge.
Absolute threshold	Minimum stimulus needed to detect something 50% of the time.
Just noticeable difference/difference threshold	Smallest difference between stimuli detected 50% of the time.
Signal detection theory	A theory that predicts how and when we detect a faint stimulus amid background noise
Cocktail party effect	The ability to focus attention on one conversation while filtering out other background noise.
Selective attention	Focusing on one stimulus while ignoring others.

Created by: yatin24

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