Research Topics
| J C StoutSummaryAffiliation: Indiana University Country: USA Publications
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Detail Information
Publications
Enhanced negative priming in Parkinson's diseaseScott A Wylie
Department of Psychology, Indiana University Bloomington, 47405-7007, USA
Neuropsychology 16:242-50. 2002..Results indicate that in PD, disruption of dopamine neuromodulation diminishes response efficiency when action must be directed toward previously ignored information...
Ten-year rate of longitudinal change in neurocognitive and motor function in prediagnosis Huntington diseaseAndrea C Solomon
Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana 46202 5251, USA
Mov Disord 23:1830-6. 2008..These findings suggest that neurocognitive decline in pre-HD, particularly in motor and psychomotor domains, begins insidiously and accelerates as individuals approach disease onset...
Neurocognitive insights into substance abuseHugh Garavan
Department of Psychology and Trinity College Institute of Neuroscience, Trinity College, Dublin, Ireland
Trends Cogn Sci 9:195-201. 2005....
Frontal behavioral syndromes and functional status in probable Alzheimer diseaseJulie C Stout
Department of Psychology, Indiana University, Bloomington, IN 47405 7007, USA
Am J Geriatr Psychiatry 11:683-6. 2003..Disinhibition was elevated only in severe AD. In AD, apathy was associated with difficulty in basic activities of daily living (ADL), whereas executive dysfunction was related to impairment in instrumental ADLs...
Factor analysis of the frontal systems behavior scale (FrSBe)Julie C Stout
Department of Psychology, Indiana University, Bloomington 47405 7007, USA
Assessment 10:79-85. 2003..The FrSBe factor structure supports its utility for assessing both the severity of the three frontal syndromes in aggregate and separately...
Psychological processes underlying risky decisions in drug abusersJulie C Stout
Department of Psychology, Indiana University, Bloomington, 47405, USA
Psychol Addict Behav 19:148-57. 2005..The findings for women were less clear because control women performed at chance level on the SGT. Additional studies of gender differences on the SGT are needed to clarify these findings of discrepant performance in the control women...
Divergent findings regarding negative priming in Parkinson's disease: A comment on Filoteo et al. (2002) and Wylie and Stout (2002)Julie C Stout
Department of Psychology, Indiana University Bloomington, 47405 7007, USA
Neuropsychology 16:251-3. 2002..The results are a more systematic account of how task features, such as specific response demands, interact with the response selection processes that are implemented by the basal ganglia...
Cognitive impairment and dementia in basal ganglia disordersJulie C Stout
Department of Psychological and Brain Sciences, Indiana University, 1101 East 10th Street, Bloomington, IN 47405 700, USA
Curr Neurol Neurosci Rep 5:355-63. 2005..We also discuss opportunities for enhancing the understanding of cognition in basal ganglia disorders through the use of improved study design and assessment strategies...
Assessment of memory in neurogenic communication disordersJ C Stout
Department of Psychology, Indiana University, Bloomington 47405 1001, USA
Semin Speech Lang 22:137-45. 2001....
Risky decision making in Huntington's diseaseJ C Stout
Department of Psychology, Indiana University, Bloomington 47405 7007, USA
J Int Neuropsychol Soc 7:92-101. 2001..These findings are consistent with current models of frontal-subcortical brain circuits and behavior...
Cognitive modeling analysis of decision-making processes in cocaine abusersJulie C Stout
Department of Psychology, Indiana University, Bloomington, IN 47405 7007, USA
Psychon Bull Rev 11:742-7. 2004..The results of this analysis indicated, for the first time, that motivational and choice consistency factors, but not learning/memory were mainly responsible for the decision-making deficit of the cocaine abusers in this task...
Are cognitive changes progressive in prediagnostic HD?Julie C Stout
Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA
Cogn Behav Neurol 20:212-8. 2007..To characterize neurocognitive signs of disease progression in prediagnosis and early Huntington disease (HD) and compare the sensitivity of 2 disease staging classification schemes for detecting these signs...
Progressive cerebral volume loss in human immunodeficiency virus infection: a longitudinal volumetric magnetic resonance imaging study. HIV Neurobehavioral Research Center GroupJ C Stout
Department of Psychiatry, University of California, San Diego, USA
Arch Neurol 55:161-8. 1998..To compare rates and anatomical patterns of brain atrophy during 3 stages of human immunodeficiency virus (HIV) disease...
Regional cerebral volume loss associated with verbal learning and memory in dementia of the Alzheimer typeJ C Stout
Department of Psychiatry, University of California, San Diego, and Veterans Affairs Medical Center, USA
Neuropsychology 13:188-97. 1999....
Visual perception in prediagnostic and early stage Huntington's diseaseBRIAN F O'DONNELL
Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana 47405, USA
J Int Neuropsychol Soc 14:446-53. 2008..However, these changes are only observed in individuals diagnosed with HD or who are in the more symptomatic stages of prediagnostic HD...
Visual function in Huntington's disease patients and presymptomatic gene carriersBRIAN F O'DONNELL
Department of Psychology, Indiana University, Bloomington, Indiana 47405, USA
Mov Disord 18:1027-34. 2003..These findings suggest that the early stages of HD are associated with disturbances of motion perception as well as disruptions of visual motor and ocular motor performance...
A contribution of cognitive decision models to clinical assessment: decomposing performance on the Bechara gambling taskJerome R Busemeyer
Department of Psychology, Indiana University, Bloomington, Indiana 47405, USA
Psychol Assess 14:253-62. 2002..The parameters of the best fitting model are used to decompose the observed performance deficit of the Huntington patients into cognitive, motivational, and response sources...
Using cognitive models to map relations between neuropsychological disorders and human decision-making deficitsEldad Yechiam
Indiana University, IN, USA
Psychol Sci 16:973-8. 2005..These findings demonstrate the potential contribution of cognitive models in building bridges between neuroscience and behavior...
Motivational processes and autonomic responsivity in Asperger's disorder: evidence from the Iowa Gambling TaskShannon A Johnson
Department of Psychological and Brain Sciences, Indiana University, 1101 E. 10th Street, Bloomington, IN 47405, USA
J Int Neuropsychol Soc 12:668-76. 2006..Findings are discussed in the context of the neurobiological substrates associated with IGT performance...
Beyond disgust: impaired recognition of negative emotions prior to diagnosis in Huntington's diseaseShannon A Johnson
Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA
Brain 130:1732-44. 2007..In contrast to previous results, we found no evidence of relative impairments in recognizing disgust or fear, and no evidence to support a link between the striatum and disgust recognition...
Reduced autonomic responsiveness to gambling task losses in Huntington's diseaseMeghan C Campbell
Department of Psychology, Indiana University, Bloomington, Indiana
J Int Neuropsychol Soc 10:239-45. 2004..In contrast, the SCRs of the HD group did not differentiate between wins and losses. These findings indicate a reduced impact of loss on decision-making processes under risky conditions in HD...
Verbal episodic memory declines prior to diagnosis in Huntington's diseaseAndrea C Solomon
Department of Psychological and Brain Sciences, Indiana University, 1101 E 10th Street, Bloomington, IN 47405, USA
Neuropsychologia 45:1767-76. 2007..These findings indicate that verbal episodic memory is affected in early pre-diagnostic HD and may decline as striatal volumes decrease and individuals approach the motor diagnostic threshold...
Psychiatric symptoms in Huntington's disease before diagnosis: the predict-HD studyKevin Duff
Department of Psychiatry, University of Iowa, Iowa City, Iowa 52242 1000, USA
Biol Psychiatry 62:1341-6. 2007..Psychiatric disturbances are relatively common in manifest Huntington's disease (HD), but less is known about these symptoms in the earliest phase of the illness...
Preparing for preventive clinical trials: the Predict-HD studyJane S Paulsen
Department of Psychiatry, University of Iowa, Iowa City 52242 1000, USA
Arch Neurol 63:883-90. 2006..The optimal design and outcome measures for preventive clinical trials in neurodegenerative diseases are unknown...
Activation of conflicting responses in Parkinson's disease: evidence for degrading and facilitating effects on response timeScott A Wylie
Department of Neurology, University of Virginia, Charlottesville, VA, USA
Neuropsychologia 43:1033-43. 2005..These findings are consistent with the hypothesis that basal ganglia dysfunction due to Parkinson's disease disrupts processes that resolve response conflict...
Neurocognitive deficits related to poor decision making in people behind barsEldad Yechiam
Technion Israel Institute of Technology, Haifa, Israel
Psychon Bull Rev 15:44-51. 2008..The present cognitive model provides a novel way for building a bridge between cognitive neuroscience and complex human behaviors...
Specific psychiatric manifestations among preclinical Huntington disease mutation carriersJeanine Marshall
Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis 46202 5251, USA
Arch Neurol 64:116-21. 2007..Despite the need for significant clinical intervention owing to the psychiatric manifestations of Huntington disease (HD), there has been a paucity of studies specifically designed to evaluate these symptoms prior to disease diagnosis...
