Human spatial behavior has been the focus of hundreds of previous research studies. However, the conclusions and generalizability of previous studies on interpersonal distance preferences were limited by some important methodological and sampling issues. The objective of the present study was to compare preferred interpersonal distances across the world and to overcome the problems observed in previous studies. We present an extensive analysis of interpersonal distances over a large data set (N = 8,943 participants from 42 countries). We attempted to relate the preferred social, personal, and intimate distances observed in each country to a set of individual characteristics of the participants, and some attributes of their cultures. Our study indicates that individual characteristics (age and gender) influence interpersonal space preferences and that some variation in results can be explained by temperature in a given region. We also present objective values of preferred interpersonal distances in different regions, which might be used as a reference data point in future studies.

The present work explores how accuracy and bias in person perception change with the level of liking that the perceiver holds toward the target person. Specifically, we studied whether dislike affects (a) the social desirability of judgments (positivity bias), (b) the extent to which the target is described like an average person (normative accuracy), and (c) the extent to which the judgment reflects the given target’s characteristics in particular (distinctive accuracy). Eighty-four participants watched four target persons on video, after receiving bogus feedback on how positively or negatively those targets had supposedly evaluated them. The participants reciprocated negative bogus evaluations showing a marked decrease in reported liking for the respective target. Most important, dislike was consistently associated with lower positivity bias, greater normative accuracy, and lower distinctive accuracy across two validation measures (i.e., self-reports and informant reports of target persons).

This article elaborates the role of interpersonal communication in media effects. Based on an extensive literature review, two lines of arguments are illustrated: the antagonistic and the synergetic position. The literature provides theoretical and empirical support for both positions especially in the field of persuasive media input. To complete the view, two experiments with nonpersuasive media input are presented. The first experiment addresses the role of conversations in cognitive news effects. The synergetic position is supported: conversation leads to elaboration and more profound recall of media content. The second experiment deals mainly with emotional media effects in entertainment. No general impact of conversation on media effects was demonstrated. Nonetheless, the authors find evidence that conversations about the media engender a more critical and reserved stance toward the media content and protagonists. The article concludes with a discussion of the implications for further research into the field.

Die korrekte Wahrnehmung stimmlicher Information ist eine Grundvoraussetzung erfolgreicher zwischenmenschlicher Kommunikation. Die Stimme einer anderen Person liefert Information darüber wer spricht (Sprechererkennung), was gesagt wird (stimmliche Spracherkennung) und über den emotionalen Zustand einer Person (stimmliche Emotionserkennung). Autismus Spektrum Störungen (ASS) sind mit Einschränkungen in der Sprechererkennung und der stimmlichen Emotionserkennung assoziiert, während die Wahrnehmung stimmlicher Sprache relativ intakt ist. Die zugrunde liegenden Mechanismen dieser Einschränkungen sind bisher jedoch unklar. Es ist beispielsweise unklar, auf welcher Verarbeitungsstufe diese Einschränkungen in der Stimmenwahrnehmung entstehen oder ob sie mit einer Dysfunktion stimmensensitiver Hirnregionen in Verbindung stehen. Im Rahmen meiner Dissertation haben wir systematisch Stimmenverarbeitung und dessen Einschränkungen bei Erwachsenen mit hochfunktionalem ASS und typisch entwickelten Kontrollprobanden (vergleichbar in Alter, Geschlecht und intellektuellen Fähigkeiten) untersucht. In den ersten beiden Studien charakterisierten wir Sprechererkennung bei ASS mittels einer umfassenden verhaltensbezogenen Testbatterie und zweier funktionaler Magnet Resonanz Tomographie (fMRT) Experimente. In der dritten Studie untersuchten wir Mechanismen eingeschränkter stimmlicher Emotionserkennung bei ASS. Unsere Ergebnisse bringen neue Kenntnisse für Modelle zwischenmenschlicher Kommunikation und erhöhen unser Verständnis elementarer Mechanismen, die den Kernsymptomen in ASS wie Schwierigkeiten in der Kommunikation, zugrunde liegen könnten. Beispielsweise unterstützen unsere Ergebnisse die Annahme, dass Einschränkungen in der Wahrnehmung und Integration basaler sensorischer Merkmale (i.S. akustischer Merkmale der Stimme) entscheidend zu Einschränkungen in sozialer Kognition (i.S. Sprechererkennung und stimmliche Emotionserkennung) beitragen. / The correct perception of information carried by the voice is a key requirement for successful human communication. Hearing another person’s voice provides information about who is speaking (voice identity), what is said (vocal speech) and the emotional state of a person (vocal emotion). Autism spectrum disorder (ASD) is associated with impaired voice identity and vocal emotion perception while the perception of vocal speech is relatively intact. However, the underlying mechanisms of these voice perception impairments are unclear. For example, it is unclear at which processing stage voice perception difficulties occur, i.e. whether they are rather of apperceptive or associative nature or whether impairments in voice identity processing in ASD are associated with dysfunction of voice-sensitive brain regions. Within the scope of my dissertation we systematically investigated voice perception and its impairments in adults with high-functioning ASD and typically developing matched controls (matched pairwise on age, gender, and intellectual abilities). In the first two studies we characterised the behavioural and neuronal profile of voice identity recognition in ASD using two functional magnetic resonance imaging (fMRI) experiments and a comprehensive behavioural test battery. In the third study we investigated the underlying behavioural mechanisms of impaired vocal emotion recognition in ASD. Our results inform models on human communication and advance our understanding for basic mechanisms which might contribute to core symptoms in ASD, such as difficulties in communication. For example, our results converge to support the view that in ASD difficulties in perceiving and integrating lower-level sensory features, i.e. acoustic characteristics of the voice might critically contribute to difficulties in higher-level social cognition, i.e. voice identity and vocal emotion recognition.

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