Chapter 4 Section 4+5 Flashcards
six taste sensations
sweet, sour, bitter, salty, spicy, umami
taste buds
chemical sensors on tongue in mouth
olfactory membrane
10 - 20 million receptor signals in upper nasal passage
olfactory receptor cells
topped with tentacle things that contain sensory proteins
four basic touch sensation
pressure, hot, cold, pain
proprioception
ability to sense position and movements of our body parts
vestibular system
a set of liquid-filled areas in the inner ear that monitors the head’s position and movement, maintaining the body’s balance. semicircular canals and vestibular sacs
gate control theory of pain
proposes that pain is determined by the operation of two types of nerve fibers in the spinal cord. one set of smaller nerves carries pain up the spinal cord, another larger set regulates the flow.
sensory interaction
the working together of different senses to create experience
McGurk effect
error in perception that occurs when we misperceive sounds because the audio and video parts of speech are mismatched
synesthesia
an experience in which one sensation creates experiences in another
selective attention
the ability to focus on some sensory inputs while tuning out others
cocktail party phenomenon
unconscious monitoring of the world around us
sensory adaptation
a decreased sensitivity to a stimulus after prolonged and constant exposure
saccades
tons of tiny movements every minute of eye
perceptual constancy
the ability to perceive a stimulus of constant despite changes in its sensation
illusions
occur when the perceptual processes that normally help us correctly perceive the world around us are fooled by a particular situation so that we see something that does not exist or that is incorrect
mueller-lyer illusion
arrow looks longer than >—–<
moon illusion
50% bigger near horizon because there are things to compare it with
ponzo illusion
lines in receding railroad tracks, look different lengths but are not
embodied
when our perceptions become built into and linked with our cognition
