When does sensation happen?
anytime a stimulus activates one of your receptors.
How many types of cones do our eyes contain, based on the Trichromatic Theory?
3 types of cones
What is the sense of position and body movements?
Kinesthetics
what's the stroop effect?
some stimuli interfere with your ability to perform a task efficiently.
what kind of waves dose your ear pick up?
sound waves
What is the definition of Psychophysics?
The study of the relationship between sensory experiences and the physical stimuli that cause them
how many smell receptors do we have?
40 million
What is perception?
The organization of sensory information into meaningful messages
What does the Auditory nerve do to result in the perception of sound?
The auditory nerve carries the impulses from the inner ear to the brain resulting in the perception of sound.
Skin receptors tell our brain what 4 things?
Pressure, warmth, cold and pain
What does Webber's Law state?
The longer or stronger a stimuli is, the larger the change is required to be for a person to notice anything has happened.
What receives sound waves?
Outer ear
What is loudness of sound determined by?
Amplitude or height of sound waves
what is absolute Threshold?
it's the minimum level of intensity a stimulus can have to be detected half the time
Which lobe is responsible for processing visual information?
Occipital Lobe
When does sensory deprivation occur?
occurs whenever a person is denied one or more of our senses.
What does JND stand for?
Just noticeable difference.
What 3 tiny bones is the middle ear made up of?
Hammer, anvil, and stirrup
What are attentive processes?
a task that only requires one part of a stimuli at a time
What group of senses does somesthesis include?
It includes balance, touch, and body positioning
The retina contains what 2 things?
rods and cones
What is James J. Gibson known for?
Leading perception psychologists post ww2
Most of our taste comes from what?
Our smell
what sense helps us to keep balance and move smoothly?
the vestibular sense
what's called when something has a neutral flavor?
umami