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Author: Kelsey Hudson (5)


Jan
2018

Studies suggest that impairments in some of the same domains of cognition occur in different neuropsychiatric conditions, including those known to share genetic liability. Yet, direct, multi-disorder cognitive comparisons are limited, and it remains unclear whether overlapping deficits are due to comorbidity. We aimed to extend the literature by examining cognition across different neuropsychiatric conditions and addressing comorbidity.

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Nov
2017

Neuroimaging studies of attention-deficit/hyperactivity disorder (ADHD) have most commonly reported volumetric abnormalities in the basal ganglia, cerebellum, and prefrontal cortices. Few studies have examined the relationship between ADHD symptomatology and brain structure in population-based samples. We investigated the relationship between dimensional measures of ADHD symptomatology, brain structure, and reaction time variability-an index of lapses in attention.

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Dec
1969

Historically, neuroscientific research into addiction has emphasized affective and reinforcement mechanisms as the essential elements underlying the pursuit of drugs, their abuse, and difficulties associated with abstinence. However, research over the last decade or so has shown that cognitive control systems, associated largely but not exclusively with the frontal lobes, are also important contributors to drug use behaviors. Here, we focus on inhibitory control and its contribution to both current use and abstinence.

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Dec
2015

Cannabis use in adolescence may be characterized by differences in the neural basis of affective processing. In this study, we used an fMRI affective face processing task to compare a large group (n=70) of 14-year olds with a history of cannabis use to a group (n=70) of never-using controls matched on numerous characteristics including IQ, SES, alcohol and cigarette use. The task contained short movies displaying angry and neutral faces.

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Jun
2014

The current study examined concurrent and prospective relations between observed parenting behaviors and children's coping strategies in the context of a preventive intervention designed to change both parenting and children's use of secondary control coping. Questionnaires and direct observations were obtained from parents with a history of depression (N = 180) and their children (ages 9-15 years) at baseline, 6-month (after completion of the intervention), and 18-month follow-up assessments. Cross-sectional analyses indicate that baseline observed parental responsiveness/warmth was significantly associated with composite parent/child reports of children's baseline primary control, secondary control, and disengagement coping.

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