Test 2 Terms Flashcards
Transduction
The process of converting basic sensory info into neural activity that the brain can interpret
What did Johannes muller study in 1826
Doctrine of specific nerve energy - the idea that different brain areas are specialized for different sensory input
Orientating response
Occurs when surprising new events capture our attention
Sensory adaptation
We are set up to devote less attention to firmiliar stimulae -experienced as boredom
Absolute threshold
The minimum amount of energy/stimulus that we can detect atleast 50% of the time
Difference threshold
The smallest difference between stimuli that we can detect atleast 50% of the time
Structuralism
Focused on the elementary units of perception
Gestalt psychology
Insisted that perception is far more than simply the consonants that go into it
Figure ground principal
We use the features of objects to determine what is the object and what is the background
Law of similarity
Grouping objects together because of their features
Law of continuity
Need to figure this out
Law of closure
Need to figure this out
Bottom up processing
Perception from sensory input
Top down processing
Perception from our prior experience
Innatentional blindness
Failure to perceive visual events when focusing on another task