modules 17-22

modules 17-22 - Introduction to Psychology: Sensation and...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

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

View Full DocumentRight Arrow Icon

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

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

Unformatted text preview: Introduction to Psychology: Sensation and Perception Module 17: Introduction to Sensation and Perception Sensation and Perception Sensation: process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment Perception: process of organizing and interpreting sensory information, enabling us to recognize meaningful objects and events Information Processing Bottom-up processing: analysis that begins with the sensory receptors and works up to the brains integration of sensory information Top-down processing: Psychophysics Psychophysics: Physical World Psychological World Light Brightness Sound Volume Pressure Weight Sugar Sweet Thresholds Absolute threshold: minimum stimulation needed to detect a particular stimulus 50% of the time Subliminal threshold: Signal Detection Theory Predicts how and when we detect a signal amid noise Example: Subliminal Messages Priming: Difference Thresholds Difference threshold: minimum difference between two stimuli required for detection 50% of the time Webers Law: Stimulus Constant (k) Light 8% Weight 2% Tone 3% Sensory Adaptation Diminished sensitivity as a consequence of constant stimulation Module 18: Vision How Do We See? Transduction: Stimulus Input: Light Energy Electromagnetic spectrum Stimulus Input: Light Energy Wavelength: distance from the peak of one light/sound wave to the peak of the next; determines hue Intensity: Structure of the Eye Cornea: protects the eye and bends light to provide focus Pupil:...
View Full Document

Page1 / 10

modules 17-22 - Introduction to Psychology: Sensation and...

This preview shows document pages 1 - 4. Sign up to view the full document.

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