Symptoms of post-traumatic stress disorder (PTSD) are a common comorbidity in veterans seeking treatment of chronic musculoskeletal pain (CMP). However, little is known regarding the mutual influence of PTSD and CMP in this population. Using cross-sectional and longitudinal data…
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Drug addiction is primarily a disease of the brain's reward system. The resulting compromise in reward sensitivity traces its roots to the striatal “reward circuitry”, where excess dopamine is released by the acute administration of the drug of abuse; chronic use is in turn asso…
Post-Traumatic Stress Disorder (PTSD) is a significant mental health problem currently facing the United States Armed Forces. Researchers have suggested that approximately 15% of returning Operation Enduring Freedom (OEF) and Operation Iraqi Freedom (OIF) veterans meet diagnosti…
Previous research has demonstrated a relationship between the constructs of family stability and adjustment and has provided evidence for a model in which self-regulatory behavior, namely self-control, mediates the relationship between family stability and adjustment. The presen…
Naturally motivated behaviors, such as female sexual behavior, activate neural circuits that in turn mediate the rewarding aspects of the behavior. Activation of the mesocorticolimbic dopamine system by repeated sexual experience leads to long-term changes in behavioral, cellula…
The purpose of this study was to describe the lived experience and meaning of personal spirituality following spinal cord injury (SCI) and to identify the relationship of personal spirituality and suffering in these patients. The research questions for this study of personal spi…
This study is a qualitative phenomenological study that focused on exploring the experiences of Title IV-E participants of how well the Title IV-E program prepared them to cope with work related stress and burn out. Psychological stress and coping theory framework was used to un…
Social scientists from many disciplines have examined trust, including trust between those with different religious affiliations, emotional antecedents of trust, and physiological correlates of trust. However, little is known about how all of these factors intersect to shape tru…
Having a child diagnosed with a severe illness is difficult for any parent. However, when the illness is a mental disorder, the symptoms are often masked as rebellious reactions, which can be interpreted as a lack of self-discipline brought on by poor parenting skills. This nega…
A primary goal of vision is to identify objects rapidly and efficiently. Successful object and scene recognition results from the integration of both feed-forward and feedback processes that correspond a two-dimensional retinal image to a representation of its content stored in …
Obstructive sleep apnea (OSA) is characterized by repetitive interruptions in respiration during sleep, which causes excessive daytime sleepiness (Bassiri & Guilleminault, 2000). Nasal continuous positive airway pressure (CPAP) is a highly effective treatment for OSA (American T…
Following social defeat, male hamsters exhibit behavioral changes characterized by a breakdown of normal territorial aggression and an increase in submissive/defensive behaviors in the presence of a non-aggressive intruder (NAI). We have termed this phenomenon conditioned defeat…
Removal of a single testis results in hypertrophy of the remaining gonad (compensatory testicular hypertrophy; CTH) in juveniles and adults of many mammalian species. CTH is thought to be mediated in part by post-castration decreases in negative feedback from the testes onto the…
Circadian rhythms in the Syrian hamster can be adjusted by inducing the animal to become active during its usual sleep period. This type of clock resetting is distinct from clock resetting by light, and is thus known as nonphotic phase shifting. Although the prevailing view has …
This dissertation consists of two studies. The first study assessed the current attitudes of government employees and college students toward persons with disabilities, and explored the relationship to attitude of salient demographic variables such as: gender, age, education, wo…
The perception of time is one of the hallmarks of conscious experience. However, despite this importance, time is a relatively understudied dimension in psychology and cognitive neuroscience. A central question within the time perception literature is whether timing relies on a …
Death from myocardial infarction and progressive coronary disease is still the number one killer for men and women in the United States and other developed nations. The role of the cardiologist is to efficiently fix the "heart pump" and return the patient to his or her role in s…
Mild to moderate traumatic brain injury (TBI) is associated with increased risk of Post-Traumatic Stress Disorder (PTSD) in returning veterans of the Iraq and Afghanistan wars. Evidence from neuroimaging and neuropsychological studies suggests that PTSD and TBI may share a commo…
This position paper explores information on military background and mental health status of criminal defendants. Focusing on Vietnam, Iraq and Afghanistan veterans, the link between military service, post-traumatic stress disorder and criminal behavior is thoroughly examined. De…