Clinical trials: Fear Conditioning
PTSD
Effect of tDCS Timing on Safety Memory in PTSD
The primary purpose of this study is to investigate the effects of tDCS timing on extinction memory in PTSD. A total of 90 participants will be randomized equally across one of three groups: 1.
- Trial name
- NCT04152772
- Testing
- transcranial direct current stimulation
- Where
- United States
- Volunteers
- 62 people
- Sponsor
- Butler Hospital
Healthy Volunteers
Effects of Arousal and Stress in Anxiety
This study has several parts. One part will examine the influence of factors such as personality and past experience on reactions to unpleasant stimuli.
- Trial name
- NCT00026559
- Testing
- Shock Device, Auditory Startle Device
- Where
- United States
- Volunteers
- 1,418 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Fear Pain
Human Behaviors Related to the Expectation of Pain
The conditioned expectation of pain is an important aspect of pain-related disability produced by environments and stimuli associated with a painful injury on the job, although the neuroscience of this expectation is unclear.
- Trial name
- NCT03739645
- Testing
- Skin conductance levels and slopes over time in conditioned fear as metrics.as metrics for anxiety
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Post Traumatic Stress Disorder
Cortisol Suppression and Startle Responses in Posttraumatic Stress Disorder (PTSD)
Posttraumatic stress disorder (PTSD) occurs in some people after exposure to events that cause extreme fear or helplessness. The incidence of war zones worldwide and the prevalence of violence in large cities in the U.S.…
- Trial name
- CSS (NCT01477762)
- Testing
- Dexamethasone
- Where
- United States
- Volunteers
- 165 people
- Sponsor
- Emory University
Fear Conditioning
Influence of Escitalopram on Fear Conditioning
The purpose of the study is to learn how differences in learning under mildly-stressful circumstances may be changed by taking an antidepressant medication. This medication is called Lexapro (Escitalopram).
- Trial name
- NCT01398514
- Testing
- Escitalopram
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Obsessive-Compulsive Disorder
Transcranial Direct Current Stimulation Potentiation of Fear Extinction in OCD
The investigators want to learn more about how human beings learn not to fear and the impact of changing the fear network in the brain using transcranial Direct Current Stimulation (tDCS) in individuals with obsessive compulsive…
- Trial name
- NCT05521074
- Testing
- Active tDCS
- Where
- United States
- Volunteers
- 86 people
- Sponsor
- Massachusetts General Hospital