Chris Edgar

A Burl Carraway2
Rebekah Zehnder2
2A Burl Carraway
2Rebekah Zehnder
2Zehnder A Burl Rebekah
Learn More
Seventeen non-treatment seeking cocaine-dependent individuals participated in three-week longitudinal inpatient studies of cognitive changes during drug use and abstinence. Protocols included three days drug-free baseline, three days cocaine self-administration, and two weeks complete abstinence. A repeatable cognitive battery showed attention and delayed(More)
BACKGROUND There is need for a cognitive test battery that can be easily used in clinical practice to detect or monitor cognitive performance in patients with multiple sclerosis (MS). In order to conduct, in this patient group, a preliminary investigation of the validity and utility of a brief computerized battery, the Cognitive Drug Research (CDR) battery,(More)
OBJECTIVE The purpose of this study was to explore the relationship between combat-related posttraumatic stress disorder (PTSD) and specific augmentation versus reduction patterns for the N100 and P200 components of auditory event-related potentials evoked by tones of increasing intensity. METHOD Event-related potentials of subjects with PTSD (N=36),(More)
The Cognitive Drug Research (CDR) system is specifically validated for dementia assessment; it consists of a series of computerized tests, which assess the cognitive faculties of the patient to derive a cognitive profile. We use six different classification algorithms to classify clinically diagnosed diseases from their cognitive profiles. Good accuracy was(More)
• The Texas forest sector directly contributed $17.8 billion of industry output to the Texas economy, employing over 59,400 people with a payroll of $3.8 billion. • Including direct, indirect, and induced effects, the Texas forest sector had a total economic impact of $30.3 billion in industry output, supporting more than 130,600 jobs with $7.9 billion in(More)
Five cocaine-dependent individuals completed a 22-day inpatient study of sleep and cognition. Following 3 days of drug-free baseline, participants underwent 3 days of twice-daily smoked cocaine base self-administration (6 50-mg doses, 14 minutes apart), followed by 15 days of abstinence. Each morning and afternoon, the CDR repeatable, multiple-version,(More)
  • 1