Christina Regenbogen1, Thilo Kellermann1, Janina Seubert1, Daniel A Schneider1, Raquel E Gur1, Birgit Derntl1, Frank Schneider1, Ute Habel1. 1. Christina Regenbogen, Dr. rer. medic., Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden, and Department of Psychiatry, Psychotherapy, and Psychosomatics, Medical School, RWTH Aachen University, Aachen, Germany; Thilo Kellermann, Dr. rer. medic., Department of Psychiatry, Psychotherapy, and Psychosomatics, Medical School, RWTH Aachen University, Aachen, and JARA Translational Brain Medicine, Jülich, Germany; Janina Seubert, Dr. rer. medic., Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; Daniel A. Schneider, MSc, Department of Psychiatry, Psychotherapy, and Psychosomatics, Medical School, RWTH Aachen University, Aachen, and JARA Translational Brain Medicine, Jülich, Germany; Raquel E. Gur, MD, PhD, Department of Psychiatry, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Birgit Derntl, Dr. rer. nat., Department of Psychiatry, Psychotherapy, and Psychosomatics, Medical School, RWTH Aachen University, Aachen and JARA Translational Brain Medicine, Jülich, Germany; Frank Schneider, MD, Dr. rer. soc., Department of Psychiatry, Psychotherapy, and Psychosomatics, Medical School, RWTH Aachen University, Aachen, JARA Translational Brain Medicine, Jülich, Germany, and Department of Psychiatry, University of Pennsylvania, Philadelphia, Pennsylvania, USA; Ute Habel, Dr. rer. soc., Department of Psychiatry, Psychotherapy, and Psychosomatics, Medical School, RWTH Aachen University, Aachen, and JARA Translational Brain Medicine, Jülich, Germany.
Abstract
BACKGROUND: Individuals with schizophrenia and people with depression both show abnormal behavioural and neural responses when perceiving and responding to emotional stimuli, but pathology-specific differences and commonalities remain mostly unclear. AIMS: To directly compare empathic responses to dynamic multimodal emotional stimuli in a group with schizophrenia and a group with depression, and to investigate their neural correlates using functional magnetic resonance imaging (fMRI). METHOD: The schizophrenia group (n = 20), the depression group (n = 24) and a control group (n = 24) were presented with portrait-shot video clips expressing emotion through three possible communication channels: facial expression, prosody and content. Participants rated their own and the actor's emotional state as an index of empathy. RESULTS: Although no group differences were found in empathy ratings, characteristic differences emerged in the fMRI activation patterns. The schizophrenia group demonstrated aberrant activation patterns during the neutral speech content condition in regions implicated in multimodal integration and formation of semantic constructs. Those in the depression group were most affected during conditions with trimodal emotional and trimodal neutral stimuli, in key regions of the mentalising network. CONCLUSIONS: Our findings reveal characteristic differences in patients with schizophrenia compared with those with depression in their cortical responses to dynamic affective stimuli. These differences indicate that impairments in responding to emotional stimuli may be caused by pathology-specific problems in social cognition. Royal College of Psychiatrists.
BACKGROUND: Individuals with schizophrenia and people with depression both show abnormal behavioural and neural responses when perceiving and responding to emotional stimuli, but pathology-specific differences and commonalities remain mostly unclear. AIMS: To directly compare empathic responses to dynamic multimodal emotional stimuli in a group with schizophrenia and a group with depression, and to investigate their neural correlates using functional magnetic resonance imaging (fMRI). METHOD: The schizophrenia group (n = 20), the depression group (n = 24) and a control group (n = 24) were presented with portrait-shot video clips expressing emotion through three possible communication channels: facial expression, prosody and content. Participants rated their own and the actor's emotional state as an index of empathy. RESULTS: Although no group differences were found in empathy ratings, characteristic differences emerged in the fMRI activation patterns. The schizophrenia group demonstrated aberrant activation patterns during the neutral speech content condition in regions implicated in multimodal integration and formation of semantic constructs. Those in the depression group were most affected during conditions with trimodal emotional and trimodal neutral stimuli, in key regions of the mentalising network. CONCLUSIONS: Our findings reveal characteristic differences in patients with schizophrenia compared with those with depression in their cortical responses to dynamic affective stimuli. These differences indicate that impairments in responding to emotional stimuli may be caused by pathology-specific problems in social cognition. Royal College of Psychiatrists.
Authors: L Deuse; L M Rademacher; L Winkler; R T Schultz; G Gründer; S E Lammertz Journal: Soc Cogn Affect Neurosci Date: 2016-08-03 Impact factor: 3.436
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