Exam #1 Chapter 3: Sensation and Perception Flashcards
What is Subliminal Messaging/Stimuli
stimuli just below level of conscious awareness (Vicary’s Experiment)
Primarily found to be visual, when supported
How does subliminal messaging compare to absolute thresholds?
Absolute threshold – least energy for correct stimulus detection 50% of time
Vision: seeing a candle 30 miles away
Hearing: a watch at 20 feet
Touch Example: SVT testing
What is Sensation?
Activation of receptors in various sense organ
What is Perception?
Method by which sensations are organized and interpreted
What is Habituation?
brain stops attending to constant, unchanging stimuli (cognitive)
What is Sensory Adaptation?
sensory receptors less response to constant stimuli (biological)
What is Selective Attention?
focusing on specific aspects and ignoring others
Stroop Task and Inhibition???
The “stroop effect” or interference
Cognitive Flexibility or shifting attention