8/17/2019 PSY345_Week_One_Worksheet.doc

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Week One WorksheetPSY/345 Version 2

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University of Phoenix Material

Week One Worksheet

Respond to the following questions in 75 to 150 words each.

1. Differentiate between sensation and perception. Eplain the i!portance of separating

these concepts."he differences between sensation and perception is that sensation is the ele!entar#

ele!ents that$ according to structuralist$ co!bine to create perception. Whereas$

 perception is the conscious sensor# eperience %&oldstein$ '01(). "his student has alwa#s

looked at sensations as those things in a persons*s en+iron!ent that one can see$ hear$s!ell$ touch$ taste$ and feel. On the other hand perception is how a person*s brain will

interpret what is seen$ heard$ s!elt$ felt$ or touched.

'. ,dentif# the biological factors that influence sensation and perception.

-o!e of the biological factors that influence sensations would be the s!ell of a fresh

 baked cinna!on roll$ the s!ell of rubber at a race tract$ the touch fro! a grandchildshands. ust about an#thing that a person is eperiencing can affect a persons sensation.

When a person s!ells a hot cinna!on roll co!ing out of an o+en and orders one their

sensation is how wonderful that cinna!on roll is going to taste and then the# take a bite

and perception takes o+er and either the cinna!on roll is as wonderful as the# thought itwas or the# were gi+en one that was baked earlier in the da# and their perception has now

changed what their initial sensation told the! about how wonderful this cinna!on roll

was going to taste.3. /s we age or incur +isual i!pair!ent$ we !a# need brighter light when reading. Eplain

wh# this is the case."he reason a person !a# need brighter light when the# get older a!d are reading is because of a condition called presb#opia %old e#e). When a person is '0 #ears old their

near point is 10 c! but this will increase to 1( c! around the age of 0$ and then to ''

c! around the age of (0$ and would #ou belie+e it will also increase to 100 c! at the age

of 0.(. 2ou are shown a picture of an elephant. Eplain how that sti!ulus is processed fro! the

retina to the +isual corte of the brain.

"he hu!an +isual s#ste! in+ol+es co!!unication between the e#e and the brain torepresent eternal sti!uli as i!ages. 3uch of +isual processing occurs outside the brain

within the retina of the e#e. all sensor# infor!ation !ust reach the cerebral corte to be

 percei+ed and$ with one eception$ reach the corte b# wa# of the thala!us. Dealing withthe +isual s#ste!$ the thala!ic nucleus is the lateral geniculate nucleus and the corte is

the striate corte of the occipital lobe.

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