Sensation and Perception Flashcards
Cornea
a curved, transparent layer covering the iris and pupil
Synesthesia
Hearing colors, seeing sound, ect.
Olfactory nerve – you could not do what?
Loss sense of smell
Gustation- def- if you are missing it
sense of taste
Illusion
perception in which the way we perceive a stimulus doesn’t match its physical reality
Ear- part we see
Pinna
Webers law
law stating that there is a constant proportional relationship between the JND and original stimulus intensity.
Absolute threshold- def
the lowest level of a stimulus we can detect on 50 percent of trials when no other stimulus is present.
Nose can smell ##
between 2,000 and 4,000 different odors.
What carries the neural activity to the brain?
sensory neurons, nerves
Cochlea
structure that lies in the inner ear that converts vibration into neural activity. It has a spiral shape.
Pheromones
odorless chemicals that serve as social signals to members of one’s species.
Extrasensory perception
perception of events outside the known channels of sensation
what can cause hearing loss?
Damaged hair cells
Sensation def
detection of physical energy by sense organs that send it to the brain
perception
the brain’s interpretation of raw sensory inputs
cones
cone-shaped receptor cells in the retina that allow us to see in color.
Selective attention
process of selecting one sensory channel and ignoring or minimizing others.
Nearsighted
Results when image is focused in front of cornea due to the cornea being too steep, or eyes being too long.
What carries the visual perception to the brain
optic nerve
Blindsight
the ability of blind people with damage to their cortex to make correct guesses about the appearance of things around them
Tounge- bumps and they have what on the
Taste buds, sense receptors
Parallel processing def
attending to many sense modalities simultaneously, multitasking
