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Sensation and Percep
For AP Pysch
| Question | Answer |
|---|---|
| Bottom Up Processing | Information processing where multiple stimulus information comes together to interpret one more complex thing |
| Top Down Processing | Information processing where prior knowledge is used to interpret new information |
| Selective Attention | Only concentrating on one stimuli in an environment |
| Inattentional Blindness | A failure to notice visual stimulus when focused on something else |
| Change Blindness | A failure to notice visual changes in successive scenes |
| Absolute Threshold | The minimum amount of stimulation required to trigger a reaction |
| Difference Threshold | The smallest difference between two stimuli to make them different |
| Signal Detection Theory | A math model for understanding how stimuli is detected in the presence of background noise |
| Priming | After experiencing one stimuli, experiencing similar stimuli in the future will inhibit a similar/same reaction |
| Sensory Adaptation | The sensitivity of receptors are lessened due to constant exposure |
| Weber’s Law | To notice a change in stimulus, the difference has to be proportional to the original stimulus output |
| Transduction | The process by which energy is converted into a different form |
| Retina | The light sensitive portion of the eye, holds photoreceptors |
| Haptic Perception | perception by active touch of objects and surfaces |
| Accommodation (lens) | -a lens in the eye that changes shape to adjust focal point |
| Rods | Detects light in eye |
| Cones | Detects color in eye |
| Optic Nerve | carries visual information in the retina to the brain |
| Pupil | regulates the amount of light entering the eye by dilating |
| Iris | Colored part of the eye, Regulates the amount of light entering the eye |
| Lens | Behind iris, helps to focus light or an image |
| Fovea | A small pit in the eye that causes detailed central vision |
| Blind Spot | This is where the optic nerve exits the retina |
| Parallel Processing | dealing with multiple stimuli simultaneously |
| Trichromatic Theory | our cones allow us to see details and color (with normal lighting) |
| Opponent Process Theory | Emotional experiences creates a primary intense reaction, and then an opposite reaction afterwards |
| Cochlea | The part of the inner ear concerned with hearing |
| Frequency | The number of waveforms in a given period of time |
| Pitch | Quality of a sound from a waveform |
| Place Theory | This explains how we hear different pitches associated with different parts of the basilar membrane |
| Binocular Disparity | The slight difference between right and left retinal image, they are compared and fused when processed by the brain |
| Stroop Effect | EX: When the word red is colored green people have a harder time saying the color that the word is colored in |
| Frequency Theory | Pitches are determined by the rate of neurons based on how and how frequently they enter the auditory nerve |
| Vestibular Sense | Balance sense, allows us to move smoothly |
| Gate Control Theory | A mechanism where the spinal cord can restrict pain signals |
| Olfactory Bulb | Smelling in the cerebral hemisphere |
| Papillae | tastebuds |
| Basilar Membrane | Membrane that allows you hear |
| Monocular Cue | Depth and visual cues that can be perceived by one eye alone |
| Kinesthesis | the pattern of limbs in motion |
| Cornea | The transparent outer layer covering the eye |
| Semicircular Canals | Maintain balance and direction and rate of movement |
| Grouping | Refers to how people categorize things into groups when seeing them visually |
| Feature Detectors | Anything that when processing is a selective and specific thing being processed, like lines vs angles |
| Optic Chiasm | Where optic nerves from two eyes meet, each part of the brain hemisphere receives input from each eye and melding it together |
Created by:
SadurnSchool