chapter 3 Biological foundations

Ahypothesisstatesthatvoodoomagicmakesthepersonthinktha

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: speech,understanding,thinking, andproblemsolving o Itaccountsforabout75%ofthehumancerebralcortex o Skoylessuggeststhatourabilitytolearnlearningallowedustoupgradeourcognitiveskills fasterthannaturalselectionalone  ­ Thefrontallobeaccountstoabout29%ofthecortexandaccountsforqualititessuchasself ­ awareness,planning,initiative,andresponsibility o Itisalsoinvolvedinemotionalexperiencesuchashappiness,sadness,ordisgust o Peoplewithlobedamageoftenexhibitapathyandlackofconcern  ­ Theprefrontalcortex,locatedbehindtheforehead,hasexecutivefunctions whicharemental abilitiesinvolvedingoalsetting,judgment,strategicplanning,andimpulsecontrol o Peoplewithdamagetothispartseemoblivioustothefutureconsequencesoftheiractions andonlygovernedbyimmediateconsequences o Astudyofpeoplewhopleadednotguiltybyreasonofinsanityshowedthattheyhave reduceprefrontallobeactivitywhichtheylackforethoughtandimpulsecontrol Hemispheric Lateralization: The Left and Right Brains  ­ Theleftandrightcerebralhemisphereisconnectthecorpuscallosum,whichallowsthetwosides tofunctionasasingleunit  ­ Lateralizationisthegreaterlocalizationofafunctioninonehemisphereortheother  ­ Theleftsideisresponsibleforspeech,mathematics,andlogic  ­ WhenBroca’sorWernicke’sspeechareasaredamage,aphasia,lossofabilitytocommunicate, occurs  ­ Whentherightsideisdamaged,spat...
View Full Document

This document was uploaded on 02/26/2014 for the course PSYCHO 1000 at UWO.

Ask a homework question - tutors are online