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Definition
Passive process of bringing information from outside world into body and brain.
(Involves: Sensory organs observe energy from physical stimulus in the environment and sensory receptors convert energy into neural impulses and send them to the brain.) |
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Term
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Definition
Active process of selecting, organizing, and interpreting information brought to the brain by the senses.
(Involves: Brain organizes the information and translates it into something meaningful.) |
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Term
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Definition
| We percieve things by starting with small details and then creating a solid image of it in our heads; small to big. |
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Definition
| We percieve things by starting with larger elements and then working down to the fine details; big to small. |
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Definition
| The smallest intensity of a feeling that has to be present for you to realize you are having a feeling; When hand is over a candle and you don't initially realize it is hot. |
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Term
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Definition
| Your ability to detect some stimulus is affected by the intensity of the stimulus (how loud it is) and your psychological state (how alert you are); walking on dark street you are really alert so when you hear an extremely loud gun shot, you sense it immediately. |
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Definition
| When information gets into your brain without you really knowing that it has. |
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Term
Just Noticeable Difference
(Also known as: Difference Threshold) |
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Definition
Minimum difference in stimulation that a person can detect 50% of the time.
(Somebody puts a pile of sand in your hand and then starts adding to it and when you realize a difference in weight of sand, the amount of time it took for you to notice is difference threshold.) |
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