Sensation & Perception Vocab

Front

Minimum stimulus energy for detection 50% of the time

Back

absolute threshold

Front

Failure to notice something visible due to lack of attention

Back

inattentional blindness

Front

Difference in stimuli needed to detect a change

Back

just noticeable difference

Front

Sensory info interpretation and conscious experience

Back

perception

Front

Interpretation of sensations influenced by knowledge, experiences, and thoughts.

Back

Top-Down processing

Front

Focusing conscious awareness on a stimulus is called:

Back

Selective Attention

Front

A message below conscious awareness is a ...

Back

Subliminal Message

Front

Diminished sensitivity due to constant stimulation.

Back

Sensory Adaptation

Front

Brain stops noticing unchanging things; change recaptures attention. This is...

Back

Habituation

Front

System where perceptions arise from sensory input

Back

bottom-up processing