Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Mod 20
Basic concepts of sensation and perception
| Term | Definition |
|---|---|
| Sensation | How our sensory receptors receive and represent stimuli from the environment (Brought in from your 5 senses ) |
| transduction | Process by which sensory information is interpreted by the brain -Conversion of one form of energy to another |
| Perception | Process of organizing and interpreting sensory information. How your brain makes sense of stimuli (Varies by person) |
| Bottom-Up Processing | Starting with the sensory input, the brain attempts to understand/make sense |
| Bottom-Up Processing Example | “This creature is long, skinny, and slithering. This is a snake!” |
| Top-Down Processing | guided by experience and higher-level processes, we see what we expect to see |
| Top-Down Processing Example | Jumping because you see a stick by the side of the path that looks like a snake |
| Selective Attention | tendency to focus on just one particular stimulus |
| Inattentional Blindness | you don’t notice other stimuli |
| Cocktail party effect | We attune to words that sound similar to our name (“Actually” for “Ashley”) |
| Selective attention is proof | we are not really good at multitasking--we are missing something |
| Change Blindness | Not noticing a change in the visual environment |
| Absolute Threshold | The minimum stimulation needed to detect a particular stimulus is 50 percent of the time. |
| Difference Threshold | The minimum difference between two stimuli required for detection 50 percent of the time. (just noticeable difference (JND) |
| Weber’s Law | To be able to tell the difference between degrees of stimulation, two stimuli must differ by a constant minimum percentage. |
| Signal Detection Theory | Predicts how and when we detect the presence of a faint stimulus amid background stimulation |
| Signal Detection Theory Depends on | Strength of the signal /Our psychological state at the time |
| Subliminal stimuli | Not detectable 50% of the time. They are below your absolute threshold /Can result in priming |
| Priming | the activation, (often unconsciously), of certain associations, thus predisposing one’s perception, memory, or response. |
| Sensory Adaptation | diminished sensitivity to stimuli as a consequence of constant stimulation. |
Created by:
Sophia154
Popular Psychology sets