Chapter 4 vocab - Psychology Chapter 4: Sensation:...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Psychology Chapter 4: Sensation : detection of physical energy by sense organs, which then send information to the brain Perception : the brain’s interpretation of raw sensory inputs Transduction : the process of converting an external energy or substance into neural activity Sense receptor : specialized cell responsible for converting external stimuli into neural activity for a specific sensory system Absolute threshold : lowest level of a stimulus needed for the nervous system to detect a change 50 percent of the time Just noticeable difference (JND) : the smallest change in the intensity of a stimulus that we can detect Perceptual constancy : the process by which we perceive stimuli consistently across varied conditions Selective attention : process of selecting one sensory channel and going on minimizing others Extrasensory perception (ESP) : perception of events outside the known channels of sensation Brightness : intensity of reflected light that reaches our eyes Hue : color of light
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/16/2011 for the course PYSCH 111 taught by Professor Malley during the Spring '08 term at University of Michigan.

Page1 / 2

Chapter 4 vocab - Psychology Chapter 4: Sensation:...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online