Chapter 6 - Chapter 6, 8, 9, 13, 14 Chapter 6 Sensation and...

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

View Full Document Right Arrow Icon
Chapter 6, 8, 9, 13, 14 Chapter 6 Sensation and Perception: Sensation: Receiving a stimulus in environment & connecting in neural signal Perception: how we interpret this info Two sets of processes 1. Bottom-up Processing: Taking the stimulus & making sense of it Process based on stimuli, not psychological processes 2. Top-Down Processing: Guided by cognition Info processing guided by higher-level mental process drawing on our experience and expectation Our mental processes influences how we perceive stimuli Sensation Suits an organisms needs o Ex/ Frogs & flying insects (only see fast moving things) / Human (hear verbal tones ) At which point can we sense different stimuli? o o Absolute Threshold(AT): where you can detect something stimulation needed to recognize the stimulus ½ the time o Subliminal Threshold: when stimulus are below AT for consciousness and awareness Priming – effects are minor o Weber’s Law’s: states how much a stimuli needs to change before the change is noticed JND (Just noticeable difference) - two stimuli diff. by a percentage rather than an amount o Sensory Adaptation: (game overtime) Become less aware of stimulus once your exposed to it over time (becomes ignored) Diminishes sensitivity as consequences of constant stimulation * leaves open to changes in our environment SENSES: Transduction: process that any stimulus energy is transformed into neural impulses 1. Vision: Stimulus Input a. Light energy - Visible Spectrum
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.

Page1 / 4

Chapter 6 - Chapter 6, 8, 9, 13, 14 Chapter 6 Sensation and...

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