the vestibular system

Question 1

where does this sensation come from

Answer 1

inner ear and limbswaj

Question 2

what is this sensation

Answer 2

balance and spatial orientation

Question 3

semicircular canals in ear

Answer 3

contain endolymph that shifts to detect direction of head movement and strength of head rotation

Question 4

otolithic organs

Answer 4

utricle and sacculeh

Question 5

what do the ortholithic organs do

Answer 5

detect linear acceleartiona nd ehad positing using calcium carbonate crystals attached o hair cells

Question 6

how does this contribute to dizziness and vertigo

Answer 6

endolymph doesnt stop spinning when we do, continuous moving, get feeling of dizziness

Question 7

signal detection theory

Answer 7

refers to how we make a decision under conditions of uncertainty (how we discern between important stimuli and unimportant noise)

Question 8

what are the options in response to a signal I signal detection thoery

Answer 8

• hit (subject responds affirmative when signal present)
• false alarm (subject a perceives a signal when it is not present)
• correct rejection (a correctt neg answer for no signal)
• miss (negative response to a present signal)

Question 9

conservative strategy

Answer 9

always say no unless 100% sure that signal is there (misses might occur)

Question 10

liberals strategy

Answer 10

always say yes even if there are some false alarms