cutaneous senses and ear vocab Flashcards
type of stimulus or sensation it produces (i.e warm, cold, light, pain chemical, vision, hearing, taste, touch, smell, mechanical)
modality
a structure specialized to detect a stimulus (change in environment)
receptor
_____ distribution- patchy or uneven distribution
punctate
the area within which a sensory neuron detects stimuli
receptive field
adapt rapidly: generate a burst of action potentials when first stimulated, then quickly reduce/ stop signaling even though the stimulus continues (smell, hair, movement, and cutaneous pressure)
phasic receptors
adapt slowly; generate nerve signals more steadily throughout presence of stimulus (pain)
tonic receptors
which region has the largest two point touch threshold? the smallest?
largest- back of neck/arm; smallest: fingertips
do touch receptors demonstrate tonic or phasic characteristic?
phasic
where is proprioception most accurate?
closer to midline
blocked sound conduction to fluids of internal ear
conductive hearing loss
damage to neural structures at any point from cochlear hair cells to auditory cortical cells
sensorineural hearing loss
difference in loudness of the sound that reaches the two ears
interaural intensity difference
the difference in time of arrival of the sound at the two ears
interaural time difference
rapid eye movement related to equilibrium
nystagmus
tuning fork on mastoid process to outside of ear
rinne test