PSY372 Lecture 4: Long-term Memory

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Last updated 1:35 AM on 7/16/26
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4 Terms

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What parts of the brain are thought to be involved during working memory?

  • The Prefrontal Cortex is thought to be involved during working memory

Behaviour: Minimal interference between visuospatial & phonological tasks suggests dissociable WM systems

Brain: Each hemisphere of PFC supports different aspects of WM

  • Visuospatial- primary R hemisphere

  • Phonological- primarily L hemisphere

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What is the modern view?

  • The Prefrontal Cortex supports the active maintenance, manipulation, and control of information

  • While posterior brain regions store the content specific representations

  • PFC → maintains, manipulates, and controls access to those representations

  • Posterior regions → represent/store the content of information

  • PFC does rehearsal & posterior sites do storage

<ul><li><p>The <strong>Prefrontal Cortex</strong> supports the active maintenance, manipulation, and control of information </p></li><li><p>While <strong>posterior brain regions</strong> store the content specific representations </p></li></ul><p></p><ul><li><p>PFC → maintains, manipulates, and controls access to those representations</p></li><li><p>Posterior regions → represent/store the content of information</p></li></ul><p></p><ul><li><p>PFC does rehearsal &amp; posterior sites do storage </p></li></ul><p></p>
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The Neural Mechanisms of WM Storage- What is the Lateralized Change Detection Task?

  • Asked participants, get cue to attend to one or the other side of screen. Presented a memory array. After short interval retention they are tested.

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