# Brain Imaging Changes in Fear and Anxiety

> **NCT00047853** · NA · COMPLETED · sponsor: **National Institute of Mental Health (NIMH)** · enrollment: 1080 (actual)

## Conditions studied

- Anxiety Disorders
- Fear

## Interventions

- **DEVICE:** Shock device
- **DEVICE:** Acoustic startle

## Key facts

- **NCT ID:** NCT00047853
- **Lead sponsor:** National Institute of Mental Health (NIMH)
- **Sponsor class:** NIH
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2002-11-04
- **Primary completion:** 2022-07-28
- **Final completion:** 2022-07-28
- **Target enrollment:** 1080 (ACTUAL)
- **Last updated:** 2024-03-12


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00047853

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00047853, "Brain Imaging Changes in Fear and Anxiety". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00047853. Licensed CC0.

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