PS102 Lecture Notes - Lecture 5: Psychophysics, Neural Adaptation, Loch Ness Monster
Document Summary
You look with you eyes you see with your brain. Perception: organizing and giving meaning to input. The same sensory stimulus may be perceived di erently in di erent contexts. The middle stimulus is physically identical in both words below, but tends to be perceived as h on the left and a on the right the cat. The same sensory stimulus mat be perceived di erenet with di ernt experiences. Kids see dolphins what do you see. The point is that our interpretation of sensory input is not just dependent on the sensory input itself. What you see is not necessarily what you get. Psychophysics: studies relations between physical characteristics of stimuli and. Absolute threshold: asks about the absolute limits of sensitivity. Di erence threshold: asks about the di erent between stimuli. The lowest intensity at which a stimulus can be detected correctly 50% of the time.
