1.27.11 - (1.27.11) Perception Perception is. The process...

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(1.27.11) Perception Perception is… The process of recognizing, organizing, and interpreting information from senses Not an exact copy of “the world” Based on our past experience and expectations The Complexity of Perception Bottom-up processing o Perception may start with the senses o Incoming raw data o Energy registering on receptors Top-down processing o Perception may start with the brain o Person’s knowledge, experience, expectations Definitions Sensation : absorbing raw energy (i.e. light waves, sound waves) through our sensory organs Transduction: conversion of this energy to neural signals Attention: concentration of mental energy to process incoming information Perception: selecting, organizing and interpreting these signals Overview: Sensation and Perception Energy contains information about the world (usually incomplete, full of noise and distorted) Accessory structure (ear, eye, etc) modifies energy Receptor transduces energy into a neural response Sensory nerve transmits the coded activity to the central nervous system Thalamus processes and relays the neural response Relayed to specialized areas of the cortex Perception of the world is created Approaches to Understand Perception
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1.27.11 - (1.27.11) Perception Perception is. The process...

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