PSYA01H3 Chapter Notes - Chapter 4: Psychophysics, Opponent Process, Subliminal Stimuli
Document Summary
Chapter 4: lecture 11- sensation & perception: subliminal perception. His goal was to study how the external world is represented into the human mind. Wanted to find the link between the external world and our perception of it. Weber"s technique was all about finding difference thresholds the point where participants can notice a difference. But what we"d really like to know is how sensitive our sensory systems are that is, what is the weakest stimulus they are sensitive to what is their absolute threshold. When you cross the threshold, something changes. That is the challenge we want to figure out. Threshold: the point where you don"t see, feel, taste, smell, then suddenly you do. Maybe if we talk to subconscious, we can find an efficient way to modify behaviour. Something is presented and you are asked if you saw anything, yes or no. Stimulus was presented but the person didn"t see anything.
