Robust perceptual-load-dependent audiovisual integration in adult ADHD

Schulze M, Aslan B, Jung P, Lux S, Philipsen A (2022)
European Archives of Psychiatry and Clinical Neuroscience.

Zeitschriftenaufsatz | E-Veröff. vor dem Druck | Englisch
 
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Autor*in
Schulze, Marcel; Aslan, Behrem; Jung, Paul; Lux, SilkeUniBi; Philipsen, Alexandra
Abstract / Bemerkung
We perceive our daily-life surrounding by different senses (e.g., visual, and auditory). For a coherent percept, our brain binds those multiple streams of sensory stimulations, i.e., multisensory integration (MI). Dependent on stimulus complexity, early MI is triggered by bottom-up or late via top-down attentional deployment. Adult attention-deficit/hyperactivity disorder (ADHD) is associated with successful bottom-up MI and deficient top-down MI. In the current study, we investigated the robustness of the bottom-up MI by adding additional task demand varying the perceptual load. We hypothesized diminished bottom-up MI for high perceptual load for patients with ADHD. 18 adult patients with ADHD and 18 age- and gender-matched healthy controls participated in this study. In the visual search paradigm, a target letter was surrounded by uniform distractors (low load) or by different letters (high load). Additionally, either unimodal (visual flash, auditory beep) or multimodal (audiovisual) flanked the visual search. Linear-mixed modeling was used to investigate the influence of load on reaction times. Further, the race model inequality was calculated. Patients with ADHD showed a similar degree of MI performance like healthy controls, irrespective of perceptual load manipulation. ADHD patients violated the race model for the low load but not for the high-load condition. There seem to be robust bottom-up MI independent of perceptual load in ADHD patients. However, the sensory accumulation might be altered when attentional demands are high. © 2022. The Author(s).
Erscheinungsjahr
2022
Zeitschriftentitel
European Archives of Psychiatry and Clinical Neuroscience
eISSN
1433-8491
Page URI
https://pub.uni-bielefeld.de/record/2962326

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Schulze M, Aslan B, Jung P, Lux S, Philipsen A. Robust perceptual-load-dependent audiovisual integration in adult ADHD. European Archives of Psychiatry and Clinical Neuroscience. 2022.
Schulze, M., Aslan, B., Jung, P., Lux, S., & Philipsen, A. (2022). Robust perceptual-load-dependent audiovisual integration in adult ADHD. European Archives of Psychiatry and Clinical Neuroscience. https://doi.org/10.1007/s00406-022-01401-z
Schulze, Marcel, Aslan, Behrem, Jung, Paul, Lux, Silke, and Philipsen, Alexandra. 2022. “Robust perceptual-load-dependent audiovisual integration in adult ADHD”. European Archives of Psychiatry and Clinical Neuroscience.
Schulze, M., Aslan, B., Jung, P., Lux, S., and Philipsen, A. (2022). Robust perceptual-load-dependent audiovisual integration in adult ADHD. European Archives of Psychiatry and Clinical Neuroscience.
Schulze, M., et al., 2022. Robust perceptual-load-dependent audiovisual integration in adult ADHD. European Archives of Psychiatry and Clinical Neuroscience.
M. Schulze, et al., “Robust perceptual-load-dependent audiovisual integration in adult ADHD”, European Archives of Psychiatry and Clinical Neuroscience, 2022.
Schulze, M., Aslan, B., Jung, P., Lux, S., Philipsen, A.: Robust perceptual-load-dependent audiovisual integration in adult ADHD. European Archives of Psychiatry and Clinical Neuroscience. (2022).
Schulze, Marcel, Aslan, Behrem, Jung, Paul, Lux, Silke, and Philipsen, Alexandra. “Robust perceptual-load-dependent audiovisual integration in adult ADHD”. European Archives of Psychiatry and Clinical Neuroscience (2022).
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