Shyness and sociability in a sample of Egyptian patients with schizophrenia and its relation to resting frontal EEG

Hussein, Hoda Abdou; Fathy, Heba; Mawla, Sherine Mohamed Abdel; Zyada, Fadia; Hadidy, Reem A. El

doi:10.1097/01.xme.0000403817.06941.1f

Cited by 7 publications

(2 citation statements)

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“…What distinguished the two groups was the pattern of absolute activity in the left prefrontal cortex (PFC; Schmidt, 1999 ): greater left PFC activity (a brain correlate of approach behavior) was observed in the shy-sociable compared with the shy-unsociable group. Replication of similar frontal EEG asymmetry patterns at rest in clinical samples of outpatients diagnosed with schizophrenia across cultures who were shy and social ( Jetha et al, 2009 ; Hussein et al, 2011 ) indicate the possibility of a conserved neural mechanism underlying these brain-behavior relations, irrespective of disease state and cultural influences.…”

Section: Introductionmentioning

confidence: 96%

“…To date, the independence of shyness and sociability has been replicated across developmental ages, including children ( Asendorpf and Meier, 1993 ; Coplan et al, 2004 ; Coplan and Armer, 2007 ), adolescents ( Page, 1990 ; Mounts et al, 2006 ), and adults ( Eisenberg et al, 1995 ; Sheeks and Birchmeier, 2007 ; but see Bruch et al, 1989 ), across clinical populations ( Goldberg and Schmidt, 2001 ; Jetha et al, 2009 ), and across cultures, including German ( Czeschlik and Nurk, 1995 ), Portuguese ( Neto, 1996 ), and Asian ( Hussein et al, 2011 ) samples. The independence of these two basic dimensions is also ubiquitous across non-human animals (e.g., shyness/timidity and sociality/boldness; for a review, see Reale et al, 2007 ).…”

Section: Introductionmentioning

confidence: 99%

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Revisiting shyness and sociability: a preliminary investigation of hormone-brain-behavior relations

et al. 2014

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Shyness and sociability are two fundamental personality dimensions that are conceptually and empirically orthogonal and are conserved across cultures, development, and phylogeny. However, we know relatively little regarding how shyness and sociability are represented and maintained in the brain. Here we examined neural responses to the processing of different types of social threat using event-related fMRI, the salivary cortisol awakening response (CAR), and sociability in young adults selected for high and low shyness. Shy adults who exhibited a relatively higher CAR displayed neural activity in putative brain regions involved in emotional conflict and awareness, and were more sociable. In contrast, shy adults who displayed a relatively lower CAR exhibited neural activity in putative brain regions linked to fear and withdrawal, and were unsociable. Results revealed no systematic brain responses to social threat processing that correlated with the CAR in non-shy adults. These preliminary results suggest that individual differences in waking morning cortisol levels may influence neural processes that facilitate either social approach or withdrawal among people who are shy. Findings are discussed in relation to their theoretical and clinical implications for moving beyond longstanding descriptive to explanatory models of shyness and sociability and for understanding individual differences in social behavior in general.

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Section: Introductionmentioning

confidence: 96%