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Chapter 8 Lecture Notes Psychology 1200
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Experimental Psychology, Full Summary, English
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Complete summary of Experimental Psychology
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Experimental slides summaryVisual
Light – Cornea- Lens – Retna (ones in (entre fovea and rods around fovea) – bipolar & ganglion
(ells – opt( nerve – V1 priaar visual (ortex)
Myopia: e e too long, near-sighted, (on(ave lens -)
Farsighted: e e too short, (onvex lens +)
Presbyopia: lens isn’t flexible enough an aore, farsighted, reading glasses
Astigmatism: (ornea is wrongl (urved, blurr vision, ( linder
Cataract: (louding of the lens e e is gre )
Macular degeneration: bla(k spot in the aiddle of our vision
Glaucoma: tunnel vision
When the ganglion (entre is light and the surround dark, the (ell fres the aost and produ(es the
aost light.
Opt( nerves (ross at the opt( (hiasaa behind our nose). ,his is wh the lef visual feld not e e)
proje(ts in the right heaisphere.
Cortical magniication: 80% of the (ells in V1 re(eive input froa the aa(ula.
,he (ells in V1 are stru(tured as lines with a spe(if( retnal lo(aton
Short violet), aiddle ellow-green) and long ellow) (ones in the e e. Ever (olour triggers those
(ones in a diferent proporton, whi(h aakes us able to see diferent (olours.
Coapleaentar (olours (an have diferent wavelengths but (an be per(eived as ident(al
Opponent-process theory: six priaar (olor pairs red-green, blue- ellow, bla(k-white). ,he
opponents inhibit ea(h other on ganglion level, whi(h leads to per(epton of a(hroaat( (olorless)
light. ,his explains (olour blindness.
Ishihara test: people see nuabers when not (olour blind but nothing otherwise.
Purkinje shift: red appears darker in the evening, green does during the da
E es adapt faster froa bright to dark
Rods are insensitve to red light
, Visual form agnosia: ou (an see the obje(t, but not re(ognize it no apper(epton)
Distinctive features: ou (an re(ognize obje(ts be(ause the have (ertain features but not ever
table has the saae things?)
Pandemonium aodel: neurons that dete(t (oaplex higher order (hara(terist(s obje(ts)
,he aore geons the obje(t has, the easier it is to re(ognize it.
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