PTSD Studys

Luby et al. 2013

scanned children's brains and did 2 MRI scans. One of the whole brain and one of the hippocampus and amygdala. Found that children growing up in poverty had less white and gray matter in the hippocampus and amygdala. This was a result of their stress-inducing environment.

Hitchcock et al. 2015

Correlations between negative appraisals after experiencing a traumatic event and the development of PTSD symptoms. The children were measured within one month and 6 months after the experiment. The children did a survey and found a correlation between negative appraisal and the development of PTSD so

Urry et al

Cognitive reappraisal and top down processing of the vmPFC and amygdala activation. 19 participants were exposed to emotional stimuli on a screen while in a fMRI machine. Were asked to cognitively reappraise the stimuli by increasing

Karl et al

To see if there is a correlation between brain structure and PTSD. Compared 50 MRI studies on different areas of the brain

Gilbertson et al

To investigate whether low hippocampal volume is a symptom or etiology of PTSD. MRI scans on particpants to gauge the volume of hippocampal on identical twins. Those who were exposed to trauma and trauma unexposed twins had smaller hippocampal volume therefore