G Hajcak

Summary

Affiliation: Stony Brook University
Country: USA

Publications

  1. doi request reprint The dynamic allocation of attention to emotion: simultaneous and independent evidence from the late positive potential and steady state visual evoked potentials
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Biol Psychol 92:447-55. 2013
  2. ncbi request reprint Neural response to emotional pictures is unaffected by concurrent task difficulty: an event-related potential study
    Greg Hajcak
    Department of Psychology, Stony Brook University, NY 11794 2500, USA
    Behav Neurosci 121:1156-62. 2007
  3. doi request reprint Oops!.. I did it again: an ERP and behavioral study of double-errors
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Brain Cogn 68:15-21. 2008
  4. pmc Brain potentials during affective picture processing in children
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Biol Psychol 80:333-8. 2009
  5. doi request reprint Motivated and controlled attention to emotion: time-course of the late positive potential
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Clin Neurophysiol 120:505-10. 2009
  6. ncbi request reprint Emotion facilitates action: a transcranial magnetic stimulation study of motor cortex excitability during picture viewing
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, New York 11794 2500, USA
    Psychophysiology 44:91-7. 2007
  7. doi request reprint Genetic variation in brain-derived neurotrophic factor and human fear conditioning
    G Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Genes Brain Behav 8:80-5. 2009
  8. ncbi request reprint Reappraisal modulates the electrocortical response to unpleasant pictures
    Greg Hajcak
    Vrije Universiteit, Amsterdam, The Netherlands
    Cogn Affect Behav Neurosci 6:291-7. 2006
  9. doi request reprint The persistence of attention to emotion: brain potentials during and after picture presentation
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Emotion 8:250-5. 2008
  10. ncbi request reprint It's worse than you thought: the feedback negativity and violations of reward prediction in gambling tasks
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 9500, USA
    Psychophysiology 44:905-12. 2007

Detail Information

Publications55

  1. doi request reprint The dynamic allocation of attention to emotion: simultaneous and independent evidence from the late positive potential and steady state visual evoked potentials
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Biol Psychol 92:447-55. 2013
    ..Variation in the LPP and ssVEP was unrelated, suggesting that these measures are not redundant with each other and may capture different neurophysiological aspects of affective stimulus processing and attention...
  2. ncbi request reprint Neural response to emotional pictures is unaffected by concurrent task difficulty: an event-related potential study
    Greg Hajcak
    Department of Psychology, Stony Brook University, NY 11794 2500, USA
    Behav Neurosci 121:1156-62. 2007
    ..Results are further discussed in terms of the LPP's role in motivated attention and implications for research on emotion regulation...
  3. doi request reprint Oops!.. I did it again: an ERP and behavioral study of double-errors
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Brain Cogn 68:15-21. 2008
    ..These data are discussed in terms of existing response monitoring data, and in terms of the utility of double-errors to shed light on distinct types of response monitoring failures...
  4. pmc Brain potentials during affective picture processing in children
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Biol Psychol 80:333-8. 2009
    ..Comparisons between the EPN and LPP observed in children and adults, and implications for developmental studies of emotion, are discussed...
  5. doi request reprint Motivated and controlled attention to emotion: time-course of the late positive potential
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Clin Neurophysiol 120:505-10. 2009
    ..The present study examined the time-course of automatic and controlled modulation of the late positive potential (LPP) during emotional picture viewing...
  6. ncbi request reprint Emotion facilitates action: a transcranial magnetic stimulation study of motor cortex excitability during picture viewing
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, New York 11794 2500, USA
    Psychophysiology 44:91-7. 2007
    ..Thus, viewing arousing stimuli, regardless of valence, increased motor cortex excitability. Implications and directions for future research are discussed...
  7. doi request reprint Genetic variation in brain-derived neurotrophic factor and human fear conditioning
    G Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Genes Brain Behav 8:80-5. 2009
    ..The relation between genetic variation in BDNF and amygdala-dependent associative learning deficits is discussed in terms of potential mechanisms of risk for psychopathology...
  8. ncbi request reprint Reappraisal modulates the electrocortical response to unpleasant pictures
    Greg Hajcak
    Vrije Universiteit, Amsterdam, The Netherlands
    Cogn Affect Behav Neurosci 6:291-7. 2006
    ..These results indicate that reappraisal modulates early electrocortical activity that is related to emotional salience, and that the LPP is a useful tool for studying emotion regulation...
  9. doi request reprint The persistence of attention to emotion: brain potentials during and after picture presentation
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Emotion 8:250-5. 2008
    ..Overall, these results indicate that attentional capture of emotion continues well beyond picture presentation and that this can be measured with the LPP. Implications and directions for future research are discussed...
  10. ncbi request reprint It's worse than you thought: the feedback negativity and violations of reward prediction in gambling tasks
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 9500, USA
    Psychophysiology 44:905-12. 2007
    ..These data suggest that the magnitude of the feedback negativity is sensitive to violations of reward prediction, but that this effect may depend on the close coupling of prediction and outcome...
  11. ncbi request reprint Increased error-related brain activity in pediatric obsessive-compulsive disorder before and after treatment
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Am J Psychiatry 165:116-23. 2008
    ..However, no study to date, to the authors' knowledge, has examined error-related brain activity in pediatric patients with OCD, and no study has examined error-related brain activity in OCD both before and after treatment...
  12. doi request reprint Event-related potentials, emotion, and emotion regulation: an integrative review
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, New York 11794 2500, USA
    Dev Neuropsychol 35:129-55. 2010
    ..Future directions for the application of ERP/electroencephalogram (EEG) in achieving a more complete understanding of emotional processing and its regulation are presented...
  13. doi request reprint Errors are aversive: defensive motivation and the error-related negativity
    Greg Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Psychol Sci 19:103-8. 2008
    ..Thus, response errors prime defensive motivation-and the ERN predicts individual differences in the aversive response to errors...
  14. ncbi request reprint Attending to affect: appraisal strategies modulate the electrocortical response to arousing pictures
    Greg Hajcak
    Department of Psychology, University of Delaware, Newark, DE, USA
    Emotion 6:517-22. 2006
    ..The results are further discussed in terms of the utility of using the LPP to study emotion regulation...
  15. ncbi request reprint Anxiety and error-related brain activity
    Greg Hajcak
    Department of Psychology, University of Delaware, Newark, DE 19716, USA
    Biol Psychol 64:77-90. 2003
    ..The enhanced ERN was found to generalize beyond OCD within the anxiety spectrum disorders but also shows some specificity within these disorders...
  16. pmc The error-related negativity (ERN) and psychopathology: toward an endophenotype
    Doreen M Olvet
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Clin Psychol Rev 28:1343-54. 2008
    ..Overall, these data point to utility of ERN in studying risk for psychiatric disorders, and are discussed in terms of the endophenotype construct...
  17. doi request reprint Depression and reduced sensitivity to non-rewards versus rewards: Evidence from event-related potentials
    Dan Foti
    Department of Psychology, Stony Brook University, NY 11794 2500, United States
    Biol Psychol 81:1-8. 2009
    ..The P3 to feedback, meanwhile, was inversely related to depression and anxiety scores regardless of feedback type. These results are discussed within the context of current models of depression and reward sensitivity...
  18. doi request reprint The effect of trial-to-trial feedback on the error-related negativity and its relationship with anxiety
    Doreen M Olvet
    Stony Brook University, New York 11794 2500, USA
    Cogn Affect Behav Neurosci 9:427-33. 2009
    ..These findings show that although trial-to-trial performance feedback impacts behavioral measures, it does not affect the ERN; moreover, the presence of trial-to-trial feedback moderates the relationship between the ERN and anxiety...
  19. ncbi request reprint Error-related brain activity in obsessive-compulsive undergraduates
    Greg Hajcak
    Department of Psychology, University of Delaware, Newark DE 19716, USA
    Psychiatry Res 110:63-72. 2002
    ..There were no performance differences between the two groups. Our results support the view that the characteristics associated with OCD are related to hyper-functioning error and action-monitoring processes...
  20. ncbi request reprint Error-related negativities elicited by monetary loss and cues that predict loss
    Jonathan P Dunning
    Department of Psychology, Stony Brook University, Stony Brook, New York 11794 2500, USA
    Neuroreport 18:1875-8. 2007
    ..Results showed a negative deflection in the event-related potential in response to loss cues compared with win cues; this waveform shared a similar latency and morphology with the traditional feedback error-related negativity...
  21. doi request reprint Anxiety and spatial attention moderate the electrocortical response to aversive pictures
    Annmarie Macnamara
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Neuropsychologia 47:2975-80. 2009
    ..Findings are discussed in regard to the sensitivity of ERP and behavioral responses to aversive distracters, and in terms of increased neural processing of threatening stimuli in anxiety...
  22. doi request reprint Tell me about it: neural activity elicited by emotional pictures and preceding descriptions
    Annmarie Macnamara
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Emotion 9:531-43. 2009
    ..Results are discussed with regard to the time course of automatic and controlled processing of emotional stimuli...
  23. ncbi request reprint Error-related psychophysiology and negative affect
    Greg Hajcak
    Department of Psychology, University of Delaware, Newark, DE 19716, USA
    Brain Cogn 56:189-97. 2004
    ..Results indicate that high NA was associated with significantly greater ERN and error-related SCR, and smaller Pe. These results are discussed in terms of anterior cingulate cortex function, psychopathology, and response monitoring...
  24. doi request reprint Deconstructing reappraisal: descriptions preceding arousing pictures modulate the subsequent neural response
    Dan Foti
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    J Cogn Neurosci 20:977-88. 2008
    ..These results indicate that changes in narrative are sufficient to modulate the electrocortical response to the initial viewing of emotional pictures, and are discussed in terms of recent studies on reappraisal and emotion regulation...
  25. doi request reprint Additive effects of the dopamine D2 receptor and dopamine transporter genes on the error-related negativity in young children
    A Meyer
    Department of Psychology, Stony Brook University, Stony Brook, NY, USA
    Genes Brain Behav 11:695-703. 2012
    ..e. more negative) ERN. These results provide further support for the involvement of dopamine in the generation of the ERN...
  26. doi request reprint State sadness reduces neural sensitivity to nonrewards versus rewards
    Dan Foti
    Department of Psychology, Stony Brook University, Stony Brook, New York 11794 2500, USA
    Neuroreport 21:143-7. 2010
    ..This finding indicates that fluctuation in state negative affect moderates how environmental feedback is processed by reducing neural sensitivity to nonrewards versus rewards...
  27. ncbi request reprint Differentiating neural responses to emotional pictures: evidence from temporal-spatial PCA
    Dan Foti
    Department of Psychology, Stony Brook University, Stony Brook, New York 11794 2500, USA
    Psychophysiology 46:521-30. 2009
    ....
  28. ncbi request reprint Performance monitoring in obsessive-compulsive disorder
    Sander Nieuwenhuis
    Department of Psychology, Vrije Universiteit, Van der Boechorststraat 1, 1081 BT, Amsterdam, The Netherlands
    Psychiatry Res 134:111-22. 2005
    ..The discrepancy between these results and the results from previous studies is discussed...
  29. ncbi request reprint The feedback-related negativity reflects the binary evaluation of good versus bad outcomes
    Greg Hajcak
    Department of Psychology, University of Delaware, Newark, DE, USA
    Biol Psychol 71:148-54. 2006
    ..These data are discussed in terms of contemporary theories of the FRN, as well as appraisal processes implicated in emotional processing...
  30. doi request reprint See no evil: directing visual attention within unpleasant images modulates the electrocortical response
    Jonathan P Dunning
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Psychophysiology 46:28-33. 2009
    ..Results are discussed in terms of the utility of using the LPP to understand emotion-cognition interactions, especially with regard to directed visual attention as an emotion regulation strategy...
  31. doi request reprint Interpretation bias in social anxiety as detected by event-related brain potentials
    Jason S Moser
    Department of Psychology, University of Delaware, Newark, DE 19716, USA
    Emotion 8:693-700. 2008
    ..Reaction time, occurring around 900 ms poststimulus, failed to show a reliable interpretation bias. Results suggest that ERPs can detect interpretation biases in social anxiety before the emission of behavioral responses...
  32. pmc Attentional biases for emotional faces in young children of mothers with chronic or recurrent depression
    Autumn J Kujawa
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    J Abnorm Child Psychol 39:125-35. 2011
    ..The results also raise the possibility that sex differences in cognitive biases are evident before the emergence of sex differences in the prevalence of depression...
  33. pmc An examination of error-related brain activity and its modulation by error value in young children
    Dana C Torpey
    Department of Psychology, Stony Brook University, Stony Brook, New York 11794 2500, USA
    Dev Neuropsychol 34:749-61. 2009
    ..Results indicated that errors were associated with an ERN; however, the size was not reliably moderated by error value...
  34. pmc Enhanced choice for viewing cocaine pictures in cocaine addiction
    Scott J Moeller
    Department of Psychology, University of Michigan, Ann Arbor, Michigan 48109, USA
    Biol Psychiatry 66:169-76. 2009
    ..Individuals with cocaine use disorder (CUD) chose cocaine over nondrug rewards. In two newly designed laboratory tasks with pictures, we document this modified choice outside of a cocaine administration paradigm...
  35. doi request reprint Distinct electrocortical and behavioral evidence for increased attention to threat in generalized anxiety disorder
    Annmarie Macnamara
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Depress Anxiety 27:234-43. 2010
    ..This study sought to examine the LPP among individuals with generalized anxiety disorder (GAD)...
  36. pmc The late positive potential: a neurophysiological marker for emotion regulation in children
    Tracy A Dennis
    Department of Psychology, Hunter College, The City University of New York, New York, NY 10065, USA
    J Child Psychol Psychiatry 50:1373-83. 2009
    ..No studies to date have examined the LPP in relation to cognitive emotion regulation in children, and whether the LPP is related to parent-report measures of emotion regulation and mood disruptions...
  37. ncbi request reprint On the ERN and the significance of errors
    Greg Hajcak
    Department of Psychology, University of Delaware, Newark, Delaware 19716, USA
    Psychophysiology 42:151-60. 2005
    ..These results are discussed in terms of the functional role of the ERN in response monitoring...
  38. ncbi request reprint Brain potentials associated with expected and unexpected good and bad outcomes
    Greg Hajcak
    Department of Psychology, University of Delaware, Newark, Delaware 19716, USA
    Psychophysiology 42:161-70. 2005
    ..These results are discussed in terms of the potential role of expectations in processing errors and negative feedback...
  39. ncbi request reprint The effects of fear on performance monitoring and attentional allocation
    Jason S Moser
    Department of Psychology, University of Delaware, Newark, DE 19716, USA
    Psychophysiology 42:261-8. 2005
    ..The implication of these results for understanding how trait and state anxiety may affect error processing and attentional allocation are discussed...
  40. ncbi request reprint To err is autonomic: error-related brain potentials, ANS activity, and post-error compensatory behavior
    Greg Hajcak
    Department of Psychology, University of Delaware, Newark, Delaware 19716, USA
    Psychophysiology 40:895-903. 2003
    ..Pe, on the other hand, was correlated significantly with SCR, and both SCR and Pe were significantly correlated with post-error slowing...
  41. pmc Error-likelihood prediction in the medial frontal cortex: a critical evaluation
    Sander Nieuwenhuis
    Department of Psychology, Leiden University, Leiden, The Netherlands
    Cereb Cortex 17:1570-81. 2007
    ..We conclude that although the EL hypothesis presents an elegant integrative account of pMFC function, it requires additional empirical support to remain tenable...
  42. doi request reprint Dorsolateral prefrontal cortex stimulation modulates electrocortical measures of visual attention: evidence from direct bilateral epidural cortical stimulation in treatment-resistant mood disorder
    G Hajcak
    Department of Psychology, Stony Brook University, Stony Brook, NY, USA
    Neuroscience 170:281-8. 2010
    ..Future studies with EpCS can help directly map out various prefrontal functions in treatment-resistant mood disorder...
  43. doi request reprint Reliability of error-related brain activity
    Doreen M Olvet
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Brain Res 1284:89-99. 2009
    ..These data demonstrate excellent reliability of ERPs elicited during response monitoring, and further suggest that these ERPs are well-suited to assess trait characteristics and individual differences...
  44. doi request reprint In the face of anger: startle modulation to graded facial expressions
    Jonathan P Dunning
    Department of Psychology, Stony Brook University, Stony Brook, New York 11794 2500, USA
    Psychophysiology 47:874-8. 2010
    ..These results are further discussed in terms of existing data, and how this paradigm might be utilized in psychopathology research...
  45. ncbi request reprint Intentional modulation of emotional responding to unpleasant pictures: an ERP study
    Jason S Moser
    Department of Psychology, University of Delaware, Newark, Delaware 19716, USA
    Psychophysiology 43:292-6. 2006
    ..These data suggest that ERPs are sensitive to emotion modulation/regulation processes...
  46. doi request reprint The stability of error-related brain activity with increasing trials
    Doreen M Olvet
    Department of Psychology, Stony Brook University, Stony Brook, New York 11794 2500, USA
    Psychophysiology 46:957-61. 2009
    ..Combined, these data suggest that the ERN and Pe can be quantified using a minimum of between 6 and 8 error trials...
  47. ncbi request reprint Psychometric properties of the OCI-R in a college sample
    Greg Hajcak
    Department of Psychology, University of Delaware, Newark, DE 19716, USA
    Behav Res Ther 42:115-23. 2004
    ..The results indicate that the OCI-R is a short, psychometrically sound self-report measure of obsessive-compulsive symptoms...
  48. pmc Posttraumatic stress disorder symptoms in trauma-exposed college students: the role of trauma-related cognitions, gender, and negative affect
    Jason S Moser
    Department of Psychology, University of Delaware, Newark, DE, USA
    J Anxiety Disord 21:1039-49. 2007
    ..Gender and anxiety symptoms were also related to PTSD symptom severity. Theoretical implications of the results are discussed...
  49. ncbi request reprint Error-preceding brain activity: robustness, temporal dynamics, and boundary conditions
    Greg Hajcak
    Department of Psychology, University of Delaware, Newark, DE, USA
    Biol Psychol 70:67-78. 2005
    ..The onset and duration of the modulation, however, did vary between studies. These results are discussed in terms of response-locked ERPs and action monitoring...
  50. pmc Previously reappraised: the lasting effect of description type on picture-elicited electrocortical activity
    Annmarie Macnamara
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Soc Cogn Affect Neurosci 6:348-58. 2011
    ..Together, the data suggest that reappraisal exerts an enduring effect on both subjective and neural responses to stimuli...
  51. doi request reprint Autonomic impairment in borderline personality disorder: a laboratory investigation
    Anna Weinberg
    Department of Psychology, Stony Brook University, Stony Brook, NY 11794 2500, USA
    Brain Cogn 71:279-86. 2009
    ..Furthermore, BPD participants reported the task (but not baseline or recovery phases) to be more frustrating than controls. Findings are interpreted in the context of Polyvagal theory...
  52. ncbi request reprint The good, the bad and the neutral: electrophysiological responses to feedback stimuli
    Clay B Holroyd
    Department of Psychology University of Victoria, PO Box 3050 STN CSC Victoria, Canada BC V8W 3P5
    Brain Res 1105:93-101. 2006
    ..This result is consistent with recent proposals that the evaluative system that produces the fERN classifies outcomes into two categories: those outcomes that indicate that a goal has been satisfied and those that do not...
  53. ncbi request reprint The OCI-R: validation of the subscales in a clinical sample
    Jonathan D Huppert
    University of Pennsylvania School of Medicine, Center for Treatment and Study of Anxiety, 3535 Market St, Suite 600N, Philadelphia, PA 19104, United States
    J Anxiety Disord 21:394-406. 2007
    ..Further research should examine the sensitivity of the specific subscales to treatment effects, and the potential for adding more items to account for other symptom domains of OCD...
  54. ncbi request reprint The relationship between obsessive-compulsive and posttraumatic stress symptoms in clinical and non-clinical samples
    Jonathan D Huppert
    Center for the Treatment and Study of Anxiety, University of Pennsylvania, 3535 Market St, Suite 600N, Philadelphia, PA 19104, USA
    J Anxiety Disord 19:127-36. 2005
    ..These results support the presence of a relationship between symptoms of OCD and PTSD that may be largely accounted for by a combination of symptom overlap and depression...
  55. ncbi request reprint The Obsessive-Compulsive Inventory: development and validation of a short version
    Edna B Foa
    Center for the Treatment and Study of Anxiety, University of Pennsylvania, 3535 Market Street, Suite 600N, Philadelphia, Pennsylvania 19104, USA
    Psychol Assess 14:485-96. 2002
    ..Receiver operating characteristic (ROC) analyses demonstrated the usefulness of the OCI-R as a diagnostic tool for screening patients with OCD, utilizing empirically derived cutscores...