Midterm #2 Flashcards
(32 cards)
Top extra ocular muscle
Superior rectus
Bottom extra ocular muscle
Inferior rectus
Extra ocular muscle closest to nose
Medial rectus
Extra ocular muscle closest to temple
Lateral rectus
Muscle at bottom, in front of middle of eye
Superior oblique
Muscle at top, in front of middle
Inferior oblique
Light is the result of
Electromagnetic waves
Top of wave
Peak
Bottom of wave
Trough
Stimulus for our visual perception
Luminance
Pupillary response
Eye constricts to accommodate to amount of light
Misalignment:
Exotropia
Pulls eye outward (toward side of face)
Misalignment:
Esotropia
Eye turned in (toward nose)
Anterior chamber
Smaller space after cornea, which contains fluid.(aqueous humour). Pressurizes cornea, gives it the shape to allow to focus on light.
Posterior chamber
bigger space after cornea, filled with fluid (vitreous humour).
Number of rods vs. number of cones
120 million rods
6 million cones
Bones in middle ear: real names
Hammer
Anvil
Stirrup
Malleus
Incus
Stapes
Cutting cochlea down middle: Upper half= Bottom half= Inside top= Inside middle= Inside bottom= Top= Middle= Bottom=
Vestibular membrane Basilus membrane Scala vestibuli Scala malia Scala tympani Perilymph Endolymph Perilymph
Place theory
states that sound frequencies are coded at different positions along the basilar membrane.
Frequency theory
states that the frequency of nerve impulses sent to the brain match the frequency of the sound.
Preconscious
Things not immediately aware of, but can easily recall into focus.
Subconscious
Controversy over this. Claimed this state is full of shameful thoughts and behaviours that we cannot easily recall. Through psychotherapy he suggested these thoughts could be brought into focus with a great deal of effort.
Conscious
Controlled
Unconscious
automatic. Harmonious in working together to make us more productive. Promotes divided attention in our ability to perform routine tasks without obvious effort.
