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| Question | Answer |
| Synesthesia | The mixing of senses. Where the person affected might see sound as colour. |
| Sensation | This is the sensation detection process, where our sense organs respond to stimuli and convert environmental stimuli into nerve impulses. |
| Perception | The active process of organizing and making sense out of stimuli. Giving it meaning. |
| Transduction | The process by which the characteristics of a stimulus are converted into a nerve impulse. |
| Psychophysics | Studies the relationship between the physical characteristics of a stimuli and it's sensory capabilities. It's concerned with the absolute limits of sensitivity and secondly it's the minimum difference required to notice a difference. |
| Absolute threshold | The lowest intensity at which a stimulus can be detected correctly 50% of the time. Lower the absolute threshold -> stronger the sensitivity. |
| Decision criteria | A standard of how much people need to be certain that there is a stimulus before they will say they detect it. |
| Signal detection theory | concerned with the factors that influence sensory judgment |
| Difference threshold | The smallest amount of change in stimuli required to notice a change in the stimuli |
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