Textbook Notes (363,212)
Canada (158,271)
Psychology (1,390)
PSYC 213 (154)
Chapter 4

PSYC213-Chapter 4 Notes.docx

6 Pages
Unlock Document

McGill University
PSYC 213
Jelena Ristic

Chapter 4 AttentionSelective AttentionDichotic listening participants listen to two messages simultaneously and required to answer questions posed in only one of the messagesSelective attention attending to relevant info and ignoring irrelevant infoCocktail party phenomenon ability to attend to one convo in a crowded room Shadowing task expose subject to two messages simultaneously ask them to repeat one of the messages as it is heard Filter admits some messages but blocks othersSelective looking watch two simultaneous events but attend only to one o Found that people were able to do this easilyResults from dichotic listening and selective looking support the early selection view of attention attention prevents early perceptual processing of distractors o Participant does not see or hear irrelevant infoLate selection both relevant and irrelevant info are perceived so the person must actively ignore irrelevant stimuli to focus on relevant onesThe Stroop Task o Tendency to read name interferes with attempt to name colour o Compare performance in incongruent condition ie red is printed in green vs control ie XXX is printed in green o Illustrates controlled vs automatic processes processes that we have to pay attention in order to execute properly vs processes that run without the necessity of our paying attention to themAutomaticbottomup stimulusdriven involuntaryControlled topdown goaloriented voluntary o Raz gave participants the posthypnotic suggestion that any words they saw would look like those in an unknown foreign language and you will not attempt to attribute any meaning to themAsked to name the colours of the meaningless words but were actually being given a standard Stroop task with English wordsHighly suggestible patients did not show the typical Stroop effect although the less suggestible participants didCognitive processes considered to be automatic are susceptible to topdown influences o Dorsolateral prefrontal cortex DLPFC area of the brain that may exert a topdown bias that favours the selection of taskrelevant infoPrefrontal areas are thought to provide a topdown biaso Anterior cingulated cortex ACC area of the brain that may detect conflicting response tendencies of the sort that the Stroop task elicitsAttention Capture and Inattentional Blindness o Attention capture power of some stimuli to elicit attention in spite of the fact that we did not intend to pay attention to them o Inattentional blindness failure to attend to events we are expected to notice
More Less

Related notes for PSYC 213

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.