Question: webers Law

Answer: the threshold at which you are able to notice a change in any sensation is the just noticeable difference

Question: absolute threshold of sensation

Answer: the minimum intensity of stimulus needed to detect a particular stimulus 50% of the time, at low levels of stimulus some subjects can detect and some can’t. This is not the same as just noticeable difference because JND is the smallest difference that can be detected 50% of the time

Question: subliminal stimuli

Answer: stimuli below the absolute threshold

Question: The Vestibular system

Answer: -balance and spacial orientation

-canal is filled with endolymph and causes it to shift- which allows us to detect what direction our head is moving in, and the strength of rotation

Question: otolithic organs (utricle and saccule)

Answer: Help us to detect linear acceleration and head positioning, can contribute to dizziness and vertigo