Psy 123_Lec 15 Cognitive Control

For a normal subject 1 2 trials but for someone with

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Unformatted text preview: y she switches to another dimensions. For a normal subject (1-2 trials), but for someone with PFC damage it can be a difficult task. They tend have preseveration (stick to the original goal that they learned, and try to stick with the original rules). Task Switching! Mechanisms of Cognitive Control! Working Memory! Selection of Task-Relevant Information! Monitoring and Error Detection! Task Switching! Inhibitory Inhibitory Control! Inhibitory Control! Stroop Task! Phineas Gage! resisting temptation! Orbitofrontal Cortex! Important function of the PFC. We talked about being able to regulate in an appropriate way, the feeling that one is having. Its an important function for reasoning, problem solving, but for every aspect of our lives. But also have to in a cognitive sense, when focusing on a color must be able to inhibit those words as well. See this in just about any kind of task. One of the key regions is the OBF, when people have damage to this, like Phineas Gage, they can be really messed on things like Stroop Task. Inhibitory Control! A Model of Prefrontal Control during the Stroop Task! With no top-down prefrontal control, the word-reading pathway is much stronger than the color pathway. This leads to the inappropriate response of “green.”! While selection processes are biasing the color pathway, inhibitory processes must also inhibit the word-reading pathways in order to avoid saying “green.”! The OBF is trying to inhibit the word pathway -- so have to both bias via PFC and inhibit via OBF Miller & Cohen (2001)!...
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This note was uploaded on 01/18/2014 for the course PSY 123 taught by Professor Staff during the Fall '11 term at UCSB.

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