Gabriel S Dichter

Summary

Affiliation: University of North Carolina
Country: USA

Publications

  1. doi request reprint Common and distinct neural features of social and non-social reward processing in autism and social anxiety disorder
    John A Richey
    Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill School of Medicine, CB 7255, 101 Renee Lynne Court, Carrboro, NC 27599 7255, USA
    Soc Cogn Affect Neurosci 9:367-77. 2014
  2. pmc Functional magnetic resonance imaging of autism spectrum disorders
    Gabriel S Dichter
    Departments of Psychiatry and Psychology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
    Dialogues Clin Neurosci 14:319-51. 2012
  3. doi request reprint Functional neuroimaging of treatment effects in psychiatry: methodological challenges and recommendations
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina School of Medicine, 101 Manning Drive, Chapel Hill, NC 27599 7255, USA
    Int J Neurosci 122:483-93. 2012
  4. pmc Reward circuitry dysfunction in psychiatric and neurodevelopmental disorders and genetic syndromes: animal models and clinical findings
    Gabriel S Dichter
    Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, USA
    J Neurodev Disord 4:19. 2012
  5. pmc Remitted major depression is characterized by reward network hyperactivation during reward anticipation and hypoactivation during reward outcomes
    Gabriel S Dichter
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, United States
    J Affect Disord 136:1126-34. 2012
  6. pmc Reward circuitry function in autism spectrum disorders
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina School of Medicine, CB 3366, 101 Manning Drive, Chapel Hill, NC 27599 3366, USA
    Soc Cogn Affect Neurosci 7:160-72. 2012
  7. pmc fMRI tracks reductions in repetitive behaviors in autism: two case studies
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599 3366, USA
    Neurocase 16:307-16. 2010
  8. pmc Affective context interferes with cognitive control in unipolar depression: an fMRI investigation
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, CB 3366, Chapel Hill, NC 27599 7160, United States
    J Affect Disord 114:131-42. 2009
  9. pmc The effects of Brief Behavioral Activation Therapy for Depression on cognitive control in affective contexts: An fMRI investigation
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599 7160, USA
    J Affect Disord 126:236-44. 2010
  10. pmc Mapping social target detection with functional magnetic resonance imaging
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599 7160, USA
    Soc Cogn Affect Neurosci 4:59-69. 2009

Detail Information

Publications30

  1. doi request reprint Common and distinct neural features of social and non-social reward processing in autism and social anxiety disorder
    John A Richey
    Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill School of Medicine, CB 7255, 101 Renee Lynne Court, Carrboro, NC 27599 7255, USA
    Soc Cogn Affect Neurosci 9:367-77. 2014
    ..Results suggest reward network dysfunction to both monetary and social rewards in SAD and ASD during reward anticipation and outcomes, but that NAc hypoactivation during monetary reward anticipation differentiates ASD from SAD. ..
  2. pmc Functional magnetic resonance imaging of autism spectrum disorders
    Gabriel S Dichter
    Departments of Psychiatry and Psychology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
    Dialogues Clin Neurosci 14:319-51. 2012
    ..These findings provide mechanistic accounts of ASD pathophysiology and suggest directions for future research aimed at elucidating etiologic models and developing rationally derived and targeted treatments...
  3. doi request reprint Functional neuroimaging of treatment effects in psychiatry: methodological challenges and recommendations
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina School of Medicine, 101 Manning Drive, Chapel Hill, NC 27599 7255, USA
    Int J Neurosci 122:483-93. 2012
    ..We review these methodological considerations and provide recommendations for best practices for each of these topics...
  4. pmc Reward circuitry dysfunction in psychiatric and neurodevelopmental disorders and genetic syndromes: animal models and clinical findings
    Gabriel S Dichter
    Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, USA
    J Neurodev Disord 4:19. 2012
    ..This review concludes with methodological considerations for future research designed to more clearly probe reward-circuitry dysfunction, with the ultimate goal of improved intervention strategies...
  5. pmc Remitted major depression is characterized by reward network hyperactivation during reward anticipation and hypoactivation during reward outcomes
    Gabriel S Dichter
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, United States
    J Affect Disord 136:1126-34. 2012
    ....
  6. pmc Reward circuitry function in autism spectrum disorders
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina School of Medicine, CB 3366, 101 Manning Drive, Chapel Hill, NC 27599 3366, USA
    Soc Cogn Affect Neurosci 7:160-72. 2012
    ..The clinical implications of the double dissociation of reward type and temporal phase in reward circuitry function in ASD are discussed...
  7. pmc fMRI tracks reductions in repetitive behaviors in autism: two case studies
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599 3366, USA
    Neurocase 16:307-16. 2010
    ..These findings suggest that fMRI may elucidate potential mechanisms of action of targeted autism interventions...
  8. pmc Affective context interferes with cognitive control in unipolar depression: an fMRI investigation
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, CB 3366, Chapel Hill, NC 27599 7160, United States
    J Affect Disord 114:131-42. 2009
    ..Unipolar major depressive disorder (MDD) is characterized by aberrant amygdala responses to sad stimuli and poor cognitive control, but the interactive effects of these impairments are poorly understood...
  9. pmc The effects of Brief Behavioral Activation Therapy for Depression on cognitive control in affective contexts: An fMRI investigation
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599 7160, USA
    J Affect Disord 126:236-44. 2010
    ..Unipolar major depressive disorder (MDD) is characterized by impaired cognitive control in affective contexts, but the potential for psychotherapy to affect the neural correlates of these functions has not been evaluated...
  10. pmc Mapping social target detection with functional magnetic resonance imaging
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599 7160, USA
    Soc Cogn Affect Neurosci 4:59-69. 2009
    ..Clinical cognitive neuroscience research of disorders characterized by cognitive dysfunction and impaired social processing would benefit from the use of tasks that evaluate the combined effects of deficits in these two domains...
  11. pmc Performance of children with autism spectrum disorders on the dimension-change card sort task
    Gabriel S Dichter
    Neurodevelopmental Disorders Research Center, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, USA
    J Autism Dev Disord 40:448-56. 2010
    ..Furthermore, within the ASD group, poorer DCCS task performance did not predict more severe autism symptoms. Implications for the executive dysfunction theory of autism are discussed...
  12. pmc The effects of psychotherapy on neural responses to rewards in major depression
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina 27599 3366, USA
    Biol Psychiatry 66:886-97. 2009
    ..However, the potential for psychotherapy to normalize neurobiological responses to pleasant stimuli has not been evaluated...
  13. pmc Autism is characterized by dorsal anterior cingulate hyperactivation during social target detection
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina School of Medicine, CB 3366, Chapel Hill, NC 27599 3366, USA
    Soc Cogn Affect Neurosci 4:215-26. 2009
    ..These data suggest that the dorsal anterior cingulate mediates social target detection in neurotypical individuals and is implicated in deficits of cognitive control of social information in ASD...
  14. pmc Generativity abilities predict communication deficits but not repetitive behaviors in Autism Spectrum Disorders
    Gabriel S Dichter
    Neurodevelopmental Disorders Research Center, School of Medicine, University of North Carolina, Chapel Hill, NC 27599 3366, USA
    J Autism Dev Disord 39:1298-304. 2009
    ..Results replicate reports of generativity deficits in ASD and suggest that impaired generativity may reflect communication deficits that are characteristic of the disorder...
  15. pmc fMRI of alterations in reward selection, anticipation, and feedback in major depressive disorder
    Moria J Smoski
    Department of Psychiatry, Duke University Medical Center, Durham, NC, 27710, USA
    J Affect Disord 118:69-78. 2009
    ..Results indicate that MDD is characterized by striatal hyporesponsivity, and that future studies of MDD treatments that seek to improve responses to rewarding stimuli should assess striatal functioning...
  16. doi request reprint Reward circuitry function in autism during face anticipation and outcomes
    Gabriel S Dichter
    Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill School of Medicine, 101 Manning Drive, Chapel Hill, NC 27599 3366, USA
    J Autism Dev Disord 42:147-60. 2012
    ..Additionally, atypical amygdala activation during the processing of social rewards may contribute to the development or expression of autistic features...
  17. pmc Major depressive disorder is characterized by greater reward network activation to monetary than pleasant image rewards
    Moria J Smoski
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
    Psychiatry Res 194:263-70. 2011
    ..Results suggest reduced reward network activation in MDD when anticipating rewards, as well as relatively greater hypoactivation to pleasant image than monetary rewards...
  18. pmc Neural mechanisms of subclinical depressive symptoms in women: a pilot functional brain imaging study
    Jennifer N Felder
    Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599 7160, USA
    BMC Psychiatry 12:152. 2012
    ..The purpose of this study was to evaluate relations between subclinical levels of depressive symptoms and neural activation patterns during tasks previously shown to differentiate individuals with and without MDD...
  19. doi request reprint Smoking withdrawal is associated with increases in brain activation during decision making and reward anticipation: a preliminary study
    Merideth A Addicott
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Box 2701, Durham, NC 27708, USA
    Psychopharmacology (Berl) 219:563-73. 2012
    ..Acute nicotine abstinence is associated with disruption of executive function and reward processes; however, the neurobiological basis of these effects has not been fully elucidated...
  20. pmc Phenomenology and measurement of circumscribed interests in autism spectrum disorders
    Lauren M Turner-Brown
    Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599 7255, USA
    Autism 15:437-56. 2011
    ..The present study offers further support for the notion that CI reflect a clinically significant feature of ASD that warrants intervention in some children...
  21. pmc Social stimuli interfere with cognitive control in autism
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, CB 7160, 101 Manning Drive, Chapel Hill, NC 27599 7160, USA
    Neuroimage 35:1219-30. 2007
    ..Implications for research into cognitive control deficits in autism are discussed...
  22. pmc Atypical modulation of cognitive control by arousal in autism
    Gabriel S Dichter
    Department of Psychiatry and Neurodevelopmental Disorders Research Center, University of North Carolina at Chapel Hill School of Medicine, CB 3366, 101 Manning Drive, Chapel Hill, NC 27599 7160, United States
    Psychiatry Res 164:185-97. 2008
    ....
  23. pmc Affective modulation of the startle eyeblink and postauricular reflexes in autism spectrum disorder
    Gabriel S Dichter
    Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599 7160, USA
    J Autism Dev Disord 40:858-69. 2010
    ....
  24. doi request reprint Functional neuroimaging of social and nonsocial cognitive control in autism
    Antoinette Sabatino
    Department of Psychology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
    J Autism Dev Disord 43:2903-13. 2013
    ....
  25. ncbi request reprint Relations among intelligence, executive function, and P300 event related potentials in schizophrenia
    Gabriel S Dichter
    Department of Psychiatry, University of North Carolina, Chapel Hill, North Carolina 27599, USA
    J Nerv Ment Dis 194:179-87. 2006
    ..These results suggest diagnostic group differences in the association between P300 and IQ and indicate that investigations designed to explore P300-IQ relations should include measures of executive functioning in their models...
  26. pmc Brief report: feasibility of social cognition and interaction training for adults with high functioning autism
    Lauren M Turner-Brown
    Neurodevelopmental Disorders Research Center, University of North Carolina at Chapel Hill School of Medicine, CB 3367, UNC Chapel Hill, Chapel Hill, NC 27599 3367, USA
    J Autism Dev Disord 38:1777-84. 2008
    ..Findings indicate SCIT-A shows promise as an intervention for adults with HFA...
  27. pmc Remitted major depression is characterized by reduced prefrontal cortex reactivity to reward loss
    Crystal Edler Schiller
    Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599, United States Electronic address
    J Affect Disord 151:756-62. 2013
    ..Abnormal prefrontal cortex responses to loss may reflect a trait-like vulnerability to MDD, although future research is needed to evaluate the utility of this functional neural endophenotype as a prospective risk marker...
  28. pmc Adults with autism spectrum disorders exhibit decreased sensitivity to reward parameters when making effort-based decisions
    Cara R Damiano
    Department of Psychology, University of North Carolina at Chapel Hill, CB 3270, Davie Hall, UNC CH, Chapel Hill, NC, 27599 3270, USA
    J Neurodev Disord 4:13. 2012
    ..abstract:..
  29. pmc Unipolar depression does not moderate responses to the Sweet Taste Test
    Gabriel S Dichter
    Department of Psychiatry, Department of Psychiatry, University of North Carolina School of Medicine, 101 Manning Drive, Chapel Hill, NC 27599 3366, USA
    Depress Anxiety 27:859-63. 2010
    ..However, STT response profiles in unipolar major depressive disorder (MDD), a disorder characterized by anhedonia, have been minimally investigated...
  30. pmc Neural mechanisms of cognitive reappraisal in remitted major depressive disorder
    Moria J Smoski
    Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, NC 27710, USA
    J Affect Disord 151:171-7. 2013
    ....

Research Grants2

  1. Reward System Recovery Following Behavioral Activation Therapy in Depression
    GABRIEL DICHTER; Fiscal Year: 2007
    ..Such a strategy is consistent with NIMH's mission to reduce the burden of psychiatric disorders. ..