Psychology

Items in Psychology

ApoE2 Exaggerates PTSD-Related Behavioral, Cognitive, and Neuroendocrine Alterations

Apolipoprotein E (apoE) is an essential component of lipoprotein particles in both the brain and periphery, and exists in three isoforms in the human population: E2, E3, and E4. ApoE has numerous, well-established roles in neurobiology. Most notably, E4 is associated with earlier onset and increased risk of Alzheimer’s disease (AD). Although possession of E2 is protective in the context of AD, E2 appears to confer an increased incidence and severity of posttraumatic stress disorder (PTSD). However, the biological processes underlying this link remain unclear.

The Effects of Mind-Body Interventions on Sleep Quality

Study Objectives. To evaluate the effect of mind-body interventions (MBI) on sleep. Methods.We reviewed randomized controlled MBI trials on adults (through 2013) with at least one sleep outcome measure.We searched eleven electronic databases and excluded studies on interventions not considering mind-body medicine. Studies were categorized by type of MBI, whether sleep was primary or secondary outcome measure and outcome type. Results. 1323 abstracts were screened, and 112 papers were included.

Group, One-on-One, or Internet? Preferences for Mindfulness Meditation Delivery Format and their Predictors

Objectives: Group mindfulness meditation interventions have improved symptoms in many health conditions. However, many people are unwilling to receive group treatment, so alternative delivery methods such as individual and internet may be a useful option. The study objective was to examine mindfulness meditation intervention delivery format preferences and their relationship to potential predictors.

Complementary and Alternative Medicine for Posttraumatic Stress Disorder Symptoms

Objectives. To (1) characterize complementary and alternative medicine studies for posttraumatic stress disorder symptoms, (2) evaluate the quality of these studies, and (3) systematically grade the scientific evidence for individual CAM modalities for posttraumatic stress disorder. Design. Systematic review. Eight data sources were searched. Selection criteria included any study design assessing posttraumatic stress disorder outcomes and any complementary and alternative medicine intervention.

Skin Conductance Response during Laboratory Stress in Combat Veterans with Post Traumatic Stress Disorder

The primary objective was to assess Skin Conductance Response (SCR) to a laboratory stressor in combat veterans with Posttraumatic Stress Disorder (PTSD) compared to controls. The secondary objective was to evaluate the relationship between SCR and PTSD symptom clusters.

Salivary Cortisol Lower in Posttraumatic Stress Disorder

Altered cortisol has been demonstrated to be lower in those with posttraumatic stress disorder (PTSD) in most studies. This cross-sectional study evaluated salivary cortisol at waking and 30 minutes after, and at bedtime in 51 combat veterans with PTSD compared to 20 veterans without PTSD. It also examined the relationship of cortisol to PTSD symptoms using 2 classifications: the Diagnostic and Statistical Manual of Mental Disorders (4th ed., DSM-IV; American Psychiatric Association, 1994) and the more recent 4-factor classification proposed for DSM-5.

Peak High-Frequency HRV and Peak Alpha Frequency Higher in PTSD

Posttraumatic stress disorder (PTSD) is difficult to treat and current PTSD treatments are not effective for all people. Despite limited evidence for its efficacy, some clinicians have implemented biofeedback for PTSD treatment. As a first step in constructing an effective biofeedback treatment program, we assessed respiration, electroencephalography (EEG) and heart rate variability (HRV) as potential biofeedback parameters for a future clinical trial. This cross-sectional study included 86 veterans; 59 with and 27 without PTSD.

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