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Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat
 

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat

Article doi: 10.3791/51905
September 12th, 2014

Summary September 12th, 2014

Potentiation of the startle reflex is measured via electromyography of the orbicularis oculi muscle during low (uncertain) and high (certain) probability electric shock threat in the Threat Probability Task. This provides an objective measure of distinct negative emotional states (fear/anxiety) for research on psychopathology, substance use/abuse, and broad affective science.

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