Background: Posttraumatic stress disorder (PTSD) is often associated with impaired fear
inhibition and decreased safety cue processing; however, studies capturing the cognitive …

Thirty to fifty percent of posttraumatic stress disorder (PTSD) patients do not respond to
treatment. Understanding the neural mechanisms underlying treatment response could …

INTRODUCTION: Impaired inhibition of fear in the presence of safety cues and a deficiency
in the extinction of fear cues are increasingly thought to be important biological markers of …

Objective: Posttraumatic stress disorder (PTSD) involves deficits in information processing
that may reflect hypervigilence and deficient inhibitory control. To date, however, no PTSD …

Posttraumatic stress disorder (PTSD) has been linked to deficits in response inhibition, and
neuroimaging research suggests this may be due to differences in prefrontal cortex …

Inhibition of fear involves learning and then appropriately responding to safety signals, and
has been shown to be impaired in PTSD patients. Response inhibition refers to cognitive …

Medial prefrontal cortical areas have been hypothesized to underlie altered contextual
processing in posttraumatic stress disorder (PTSD). We investigated brain signaling of …

Post-traumatic stress disorder (PTSD) patients display pervasive fear memories, expressed
indiscriminately. Proposed mechanisms include enhanced fear learning and impaired …

Background A deficit in the ability to inhibit fear has been proposed as a biomarker of
posttraumatic stress disorder (PTSD). Previous research indicates that individuals with …

BackgroundPrevious research in post-traumatic stress disorder (PTSD) has identified
disrupted ventromedial prefrontal cortex (vmPFC) function in those with v. without PTSD. It is …