Flashcards
chapter 4
Flashcards do conjunto (13)
- 1What are the 4 important features of sensation & perception?1. Perception is Subjective
2. Adaptive (how it is useful to us)
3. Experience shapes perception
4. Our brains build the meaning of our
sensory information - 2What is Most important lesson to remember about sensation and perception?We feel, see, hear, taste and
see
with our brains - 3What is Sensation?The stimulation of the sense organs.the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment
- 4What is Perception?The selection, organization, and
interpretation of sensory input, enabling us to recognize meaningful objects and events - 5how do sensation and perception work together, to blend together, in one continuous process?Through Transduction
- 6What is Transduction?Conversion of one form of energy into another neural impulses that our brain can
interpret - 7What are the 3 steps taken by our sensory systems1. Receive
2. Transform
3. Deliver - 8What is Bottom-up processing?Analysis that begins with the sensory
receptors and works up to the brain’s
integration of sensory information. - 9Top-down processingInformation processing guided by higher-level mental processes, as when we construct perceptions drawing on our experience and expectations
- 10What is a Threshold?a dividing point between energy levels that do and do not have a detectable effect
- 11What is the Absolute threshold?the minimum amount of stimulation that an organism can detect 50% of the time
- 12Individual absolute thresholds can very depending on what?strength
experience,
expectations,
motivation,
alertness. - 13—