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Biological Psychology

Contemporary study: Li et al. (2013) heroin users

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Overview

Recall questions on the fMRI design, the posterior cingulate cortex, cue reactivity, and what it adds to the biological account of addiction.

What you need to know

Answer each one before you reveal it.

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Who and when

What did Li et al. (2013) on heroin users investigate?

Who and when

What imaging technique did Li et al. (2013) on heroin users use?

Key term

What two conditions were compared within participants in Li et al. (2013) on heroin users?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    What did Li et al. (2013) on heroin users investigate?

    Model answer

    The function of the posterior cingulate cortex in heroin-addicted users, at rest and when exposed to drug cues.

  2. 2

    What imaging technique did Li et al. (2013) on heroin users use?

    Model answer

    Functional magnetic resonance imaging.

  3. 3

    What two conditions were compared within participants in Li et al. (2013) on heroin users?

    Model answer

    A resting state and a drug-cue stimulation task.

  4. 4

    Who formed the comparison group in Li et al. (2013) on heroin users?

    Model answer

    Healthy non-addicted controls.

  5. 5

    What was the main finding about the posterior cingulate cortex?

    Model answer

    It functioned abnormally in heroin users, showing altered activity at rest and heightened response to drug cues.

  6. 6

    What is the posterior cingulate cortex thought to do?

    Model answer

    It is a hub of the default mode network, involved in self-referential thought and in directing attention to personally salient stimuli.

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