Class Notes (806,814)
Canada (492,451)
Psychology (7,610)
PSYB65H3 (519)
Ted Petit (310)
Lecture 11

Lecture 11

4 Pages
Unlock Document

University of Toronto Scarborough
Ted Petit

Lecture 11 Frontal lobe damageWhatever behaviour you exhibit depend on the size of the tumorstrokeif its small youll get mild forms of a syndromFrontal lobotomymassive syndrome involving frontal lobesFrontal Lobe syndromerange from very mild to very severe if enitre lobe is taken outFrontal Lobe syndromedamage to PREFRONTAL AREA the most anterior portion of frontal lobesFrontal lobe is important for motor functionsYou also have associational cortexinvolved in planning motor life movements and being aware of consequences etcvery importantHistoryPhrenologyPreviously thought that frontol lobe is responsible for intellectual functioningGalls phrenologyDifferent parts of the brain being responsible for different personality characteristicsThought that intelligence was in the frontal portionJacobsen Decided to test this to see if intelligence resided in frontal lobesPerformed studies with monkeys removed prefrontal areaThey had a problem in delayed response task abilities when they had prefrontal lesionsHe used a WGTAWisconsin General Testing AparatusSkinner box for monkeysHiding raisin underneath cup ProblemraisinSolutionSeeing experimenter put raisin underneath cupIf these animals could see they could see the solution to the problem and perform But if there was a delay in seeing and solving the problem picking up the cup then the monkey could not performdelayed response tasknd2 task Prefrontal damageMonkeys would try to reach banana with stickSince they have lesions if they had to look around for stick by the time they found it they would forget that they were trying to attain the bananaSo if theres a delay between seeing the problem banana out of reach outside the cage and finding the solution to the problem stick then monkey could not perform taskJacobsen initially thought it was a problem with shortterm memory but when tested in different conditions in the dark etc he made other discoveriesIf he left them in the dark or gave them a tranquilizer the animals were able to perform the taskWhySo its not memory but some emotional component distractability Also problems in alternating solutionsstrategies to solve the problemFirst animal must choose red object to get raisin then change to make it blue object to get the raisinWhen they learned the first set of responses they couldnt learn anotherLacked plasticity due to frontal damage
More Less

Related notes for PSYB65H3

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.