PSYB51H3 Lecture Notes - Lecture 3: Étienne Bonnot De Condillac, Detection Theory, Sound Intensity
Document Summary
Chapter 1: introduction: the ability to detect a stimulus and perhaps to turn that detection into a private experience = Threshold change: scaling measuring private experience: qualia = in philosophy, private conscious experiences of sensation or perception. We have no direct way of experiencing other"s experiences. But different people inhabit different sensory worlds. Perceptual decision by an expert that has real consequences. Would not see both images together. Binocular rivalry represents a dissociation of the stimuli present to the eyes and your private perceptual experience. Mind is what the brain does. Difference/ difference threshold: smallest change in weight that could be detected was always close to 1/4th of the standard weight. 1 g change for 40 g but 10 g change for 400 g. ex. Sound = decibels (physical intensity of sound), loudness (sensations: gf invented way to measure what people see, hear and feel. Chapter 1: introduction: no such hard boundary exists!!
