PSYCH 100 Lecture Notes - Lecture 6: Eustachian Tube, Basilar Membrane, Hummus

• School: UMASS-Amherst
• Department: Psychology & Brain Sciences
• Course: PSYCH 100
• Professor: tamararahhal

Document Summary

Perception: psychophysics, vision, audition, organization and interpretation. The processes of : converting the physical world into a mental representation (transduction) and relaying that information to the brain (conduction) Variations of air pressure experience of sound. The process by which we select, organize, and interpret these mental representations. Ex: we can recognize the color green we can distinguish bach from bruno mars. The study of the relationship between physical characteristics of stimuli (energy) and our psychological experience of them. Smallest magnitude of a stimulus that can be reliably discriminated from no stimulus at least. Minimum difference between two stimuli that a person can detect at least 50% of the time. When you put one more ounce of hummus she will notice the change. When she has ten ounces of hummus, it takes five ounces more for her to notice the change. Predicts how and when we will detect the presence absolute and difference thresholds.