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Late Positive Potential ERP Responses to Social and Nonsocial Stimuli in Youth with Autism Spectrum Disorder

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Abstract

We examined the late positive potential (LPP) event related potential in response to social and nonsocial stimuli from youths 9 to 19 years old with (n = 35) and without (n = 34) ASD. Social stimuli were faces with positive expressions and nonsocial stimuli were related to common restricted interests in ASD (e.g., electronics, vehicles, etc.). The ASD group demonstrated relatively smaller LPP amplitude to social stimuli and relatively larger LPP amplitude to nonsocial stimuli. There were no group differences in subjective ratings of images, and there were no significant correlations between LPP amplitude and ASD symptom severity within the ASD group. LPP results suggest blunted motivational responses to social stimuli and heightened motivational responses to nonsocial stimuli in youth with ASD.

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Acknowledgments

We would like to extend our sincere gratitude to the families who participated in this study. This research was supported by MH081285, MH073402, HD079124, and the UNC-CH Graduate School Dissertation Completion Fellowship (CRD).

Author Contributions

SDB implemented the psychophysiological data collection protocols with RVA's assistance and programmed the study while refining its design; he also supervised data reduction and analyses, contributed to the introduction and discussion, and finalized the method and results. GSD and NJS selected stimuli for this study and designed its parameters; GSD also supervised MK's and AC's analyses of the data and drafted the manuscript. SM monitored the collection and integrity of the psychophysiological data under GSD's supervision, while CRD and LT-B monitored participants' clinical characterization. EKH, ASD, and JK provided additional scholarly input throughout the manuscript. All authors reviewed the manuscript and provided scholarly feedback on its contents.

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Authors and Affiliations

  1. Department of Psychology, University of Nevada at Las Vegas, Las Vegas, NV, USA

    Stephen D. Benning

  2. New York Presbyterian-Weill Cornell Medical Center, New York, NY, USA

    Megan Kovac

  3. Carolina Institute for Developmental Disabilities, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA

    Alana Campbell, Cara R. Damiano, Jessica Kinard & Gabriel S. Dichter

  4. University of North Carolina at Chapel Hill School of Social Work, Chapel Hill, NC, USA

    Stephanie Miller

  5. Department of Psychology and Neuroscience, Duke University, Durham, NC, USA

    Eleanor K. Hanna & Gabriel S. Dichter

  6. Department of Psychology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA

    Cara R. Damiano & Antoinette Sabatino-DiCriscio

  7. Geisinger Autism Center, 120 Hamm Drive, Lewisburg, PA, USA

    Antoinette Sabatino-DiCriscio

  8. UNC TEACCH, 100 Renee Lynne Court, Carrboro, NC, USA

    Lauren Turner-Brown

  9. School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX, 75080-3021, USA

    Noah J. Sasson

  10. Department of Psychology, Vanderbilt University, Nashville, TN, USA

    Rachel V. Aaron

  11. Department of Psychiatry, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC, USA

    Gabriel S. Dichter

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  1. Stephen D. Benning
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  2. Megan Kovac
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  3. Alana Campbell
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  11. Jessica Kinard
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  12. Gabriel S. Dichter
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Correspondence to Stephen D. Benning or Gabriel S. Dichter.

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Benning, S.D., Kovac, M., Campbell, A. et al. Late Positive Potential ERP Responses to Social and Nonsocial Stimuli in Youth with Autism Spectrum Disorder. J Autism Dev Disord 46, 3068–3077 (2016). https://doi.org/10.1007/s10803-016-2845-y

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