perception and senasation

sensation

Stimulation of a sense organ

Perception

How our body interpret the input, organizing and translating sensation

Transduction

Translating physical energy to electrical signals that brain can understand

Psychophysics

How physical stimuli relate to what we experience and perceive

Measuring threshold

Boundary between two psychological states

Absolute threshold

Minimal intensity to just barely notice that stimuli is there

Just noticeable difference

Smallest difference between two stimuli you can detect 50% of the time

Weber’s law

constant proportion from original stimulus, 10%

Signal detection theory

How people make decision under condition of uncertainty

Perceptual sensitivity

how sensitive you are to certain stimulus

Sensory adaptation

More you exposed to stimulus, less sensitive you are to that stimulis