Sensation
Any aspect of or change in the environment to which an organism responds
What is a stimulus
An ability to gain information by some means other than the ordinary senses
What is extrasensory perception (ESP)
the experience that comes from organizing bits and pieces of information into meaningful wholes
What is Gestalt
Balance is regulated by which system
What is the vestibular system
These are useful for night vision and are not sensitive to color
What are rods
the principle that the larger or stronger a stimulus, the larger the change required for an observer to notice a difference
What is Weber's Law
This refers to sensing the change of a stimulus 50% of the time; it can vary per person.
What is difference threshold
This type of hearing loss cannot be treated with a hearing aide?
What is sensorineural deafness
The sense of movement and body position
What is kinesthesis
This lessons the pain by shifting our attention away from the pain impulses (it is why athletes can finish a game injured)
What is Gate Control Theory of Pain
The weakest amount of a stimulus that a person can detect half the time
What is an absolute threshold
The difference between the images stimulating each eye
What is retinal disparity
This refers to filling in the gaps of our sensory experience to create a complete perception; it's largely automatic
What is perceptual inference
These 2 are known as chemical senses because their receptors are sensitive to chemical molecules
What are the sense of smell and taste
This refers to taking information from the senses and organizing it or interpreting it into meaningful material
What is perception
responding to changes in the environment because our senses have the ability to adapt to a constant level of stimulation.
What is sensory adaptation
The innermost coating of the back of the eye, containing the light-sensitive receptor cells
What is the retina
What are sight and hearing
These are the 4 sensations of taste
What are sweet, sour, salty, and bitter
This occurs when a stimulus activates a receptor
What is sensation
Two types of processing stimuli?
What is Preattentive - extracting information automatically Attentive - A procedure that considers only one part of the stimuli presented at a time.
The study of the relationships between sensory experiences and the physical stimuli that cause them
What is psychophysics
These are mistakes in perception
What are illusions
This is the study of people’s tendencies to make correct judgments in detecting the presence of stimuli
What is the signal detection theory
What is color deficiency and who is affected more
What is when a person' s cones does not work properly and more men are affected