Divided Attention

  • Created by: katielou
  • Created on: 13-04-19 12:14
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  • Divided Attention
    • Attending to two or more sources of info - necessary as lots of things require multitasking
    • Task Difficulty (Factor 2): Complex task = high attentional demand
    • Task Specific Resources and Similarity (Factor 1): Some mental tasks are harder to combine than others (eg 2 verbal processes)
      • Allport, Antonis & Reynolds (1972) shadow list & memory list in each ear, shadow list & memory screen words, shadow list & memory screen images - less task specificity as it went on = specific domains
    • Task Practice (Factor 3): Spelke Hirst & Neisser (1976) training on hard multitasking and improved
    • Task Automaticity (Factor 4): More practice = more automatic the process. Posner & Snyder (1974) automaticity = unintentional, unconscious, doesn't deplete attention resources. Uncontrolled processes = hard to inhibit (stroop test)
      • Logan (1988) - when relies on LTM storage. BUT no firm divide of automatic & controlled - continuum (Moors & De Houwer 2006)
    • General Resources: Still interference with unrelated tsaks. Lamble et al (1999) - driving & talking on phone = more road accidents even if different processes, if combined demand is more than attention resource, it will interfere
    • Attention Capture, Orienting Reflex: reflexive attention capture by outside event. Location-finding response to protect (dorsal stream).
      • Cowan 1995 - 2 types of stimuli - emotional/social cues & novel cues

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