+
Related Flashcards
Related Topics
Cards In This Set
| Front | Back |
|
Sensation
|
Detection of physical energy by sense organs, which then send information to the brain
|
|
Perception
|
The brain's interpretation of raw sensory inputs
|
|
Filling-in
|
Reconstruction of what is expected in the blind spot, or other gaps in sensation
|
|
Transduction
|
The process of converting an external energy or substance into neural activity
|
|
Sense receptor
|
Specialized cell responsible for converting external stimuli into neural activity for a specific sensory system
|
|
Absolute threshold
|
Lowest level of stimulus needed for the nervous system to detect a change 50% of the time
|
|
Sensory adaptation
|
The declined response to a stimulus over time
|
|
Psychophysics
|
The study of how we perceive sensory stimuli based on their physical characteristics
|
|
Just noticeable difference (JND)
|
The smallest change in the intensity of a stimulus that we can detect
|
|
Weber's Law
|
There is a constant proportional relationship between the JND and the original stimulus intensity
|
|
Signal detection theory
|
Helps psychologists see how we detect stimuli under uncertain conditions (based on signal-to-noise ratio)
|
|
Response biases
|
Tendencies to make one type of guess over another when we're in doubt
|
|
Phosphenes
|
Vivid sensations of light caused by pressure on our eye's receptor cells
|
|
Specific nerve energies
|
Even though there are many distinct stimulus energies, the sensation experienced is determined by the nature of the sense receptor
|
|
Cross-modal processing
|
Mixing of senses across the brain areas
|
