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| Question | Answer |
| What 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 |
| What is Most important lesson to remember about sensation and perception? | We feel, see, hear, taste and see with our brains |
| What 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 |
| What is Perception? | The selection, organization, and interpretation of sensory input, enabling us to recognize meaningful objects and events |
| how do sensation and perception work together, to blend together, in one continuous process? | Through Transduction |
| What is Transduction? | Conversion of one form of energy into another neural impulses that our brain can interpret |
| What are the 3 steps taken by our sensory systems | 1. Receive 2. Transform 3. Deliver |
| What is Bottom-up processing? | Analysis that begins with the sensory receptors and works up to the brain’s integration of sensory information. |
| Top-down processing | Information processing guided by higher-level mental processes, as when we construct perceptions drawing on our experience and expectations |
| What is a Threshold? | a dividing point between energy levels that do and do not have a detectable effect |
| What is the Absolute threshold? | the minimum amount of stimulation that an organism can detect 50% of the time |
| Individual absolute thresholds can very depending on what? | strength experience, expectations, motivation, alertness. |
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