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

DOI:
10.3791/51905-v

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11:18 min

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September 12, 2014

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, , ,
1Department of Psychology,University of Wisconsin-Madison

Chapters

  • 00:05Title
  • 02:13Electromyography (EMG) Recording Preparation
  • 04:25Shock Tolerance Threshold Assessment
  • 06:01The Threat Probability Task
  • 08:12Data Processing, Reduction, and Analysis
  • 10:03Results: Startle Potentiation During Probability Threat Cues
  • 10:40Conclusion

Summary

Automatic Translation

Automatic Translation

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.

Tags

Keywords: Startle ReflexStartle PotentiationThreat Probability TaskFearAnxietyCertain ThreatUncertain ThreatElectromyographyEMGOrbicularis OculiAffective SciencePsychopathologyTranslational Research

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