PSY 100 Lecture Notes - Lecture 3: Santa Barbara City College, Psych, Radiant Energy
Document Summary
Process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment. Provides the raw data about the world. The process of organizing and interpreting sensory information enabling us to recognize meaningful objects and events. Our brains interpret this information: you look with your eyes, you see with your brains. Bottom up: starts at sensory receptors and works up to higher level processing. Top down: constructs perceptions from sensory input by drawing on our experience and expectation. Mental tendencies and assumptions that affect what we perceive. Letter and numbers associated with good and bad tasks. Sensory adaptation (habituation: diminishing sensitivity to unchanging stimulus, occurs in all sensory modalities, allows for selective attention. Adaptive value: free senses from the unchanging to be more sensitive to changes in environment transform physical energy from the. Transduction: specialized receptors environment into neural impulses. Combined and interpreted in light of memories and knowledge.
