Sensation Basics
aqDetecting stimuli from the environment
Transparent structure covering the eye
What is cornea?
Sense involving sound waves
What is audition?
Organizing and interpreting sensory information
What is perception?
Awareness of ourselves and surroundings
What is consciousness?
Minimum stimulation detected 50% of the time
What is absolute threshold?
Part of the eye controlling light entering
What is iris?
Membrane that vibrates from sound waves
What is eardrum (tympanic membrane)?
Focusing on one stimulus while ignoring others
What is selective attention?
24-hour biological clock
200: What is circadian rhythm?
Smallest detectable difference between two stimuli
What is difference threshold?
Retina cells responsible for color vision
What are cones?
Tiny bones in the middle ear
What are ossicles?
Missing visible objects while focused elsewhere
What is inattentional blindness?
Sleep stage associated with vivid dreams
What is REM sleep?
Diminished sensitivity after constant exposure
What is sensory adaptation?
Theory using red, green, and blue cones
What is trichromatic theory?
Snail-shaped structure in the inner ear
What is cochlea?
Expectations influencing interpretation
What is top-down processing (perceptual set)?
Disorder involving interrupted breathing during sleep
What is sleep apnea?
Process of converting stimuli into neural impulses
What is transduction?
Blind spot caused by lack of receptors
What is blind spot (optic disc)?
Theory explaining pitch by place on cochlea
What is place theory?
Gestalt principle of filling gaps
What is closure?
Theory stating dreams help process memories
What is information-processing theory of dreaming?