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Direct linkDutton, Edward; Van der Linden, Dimitri; Madison, Guy – Journal of Creative Behavior, 2020
Previous research has attempted to understand why countries with relatively favorable conditions and high estimated average IQs (such as Finland and Japan) have a relatively low per capita number of scientific Nobel prizes. In the present study, we examine whether there is a relationship between national schizophrenia and left-handedness…
Descriptors: Intelligence Quotient, Gifted, Schizophrenia, Handedness
Johnson, Sarah L. M.; Wang, Lei; Alpert, Kathryn I.; Greenstein, Deanna; Clasen, Liv; Lalonde, Francois; Miller, Rachel; Rapoport, Judith; Gogtay, Nitin – Journal of the American Academy of Child & Adolescent Psychiatry, 2013
Objective: The hippocampus has been implicated in the pathogenesis of schizophrenia, and hippocampal volume deficits have been a consistently reported abnormality, but the subregional specificity of the deficits remains unknown. The authors explored the nature and developmental trajectory of subregional shape abnormalities of the hippocampus in…
Descriptors: Genetics, Children, Pathology, Attention Deficit Disorders
Templer, Donald I. – Intelligence, 2012
The present study was intended to provide perspective, albeit less than unequivocal, on the research of Lynn (2010) who reported higher IQs in the northern than southern Italian regions. He attributes this to northern Italians having a greater genetic similarity to middle Europeans and southern Italians to Mediterranean people. Higher regional IQ…
Descriptors: Multiple Intelligences, Schizophrenia, Intelligence Quotient, Genetics
Ross, Randal G.; Stevens, Karen E.; Proctor, William R.; Leonard, Sherry; Kisley, Michael A.; Hunter, Sharon K.; Freedman, Robert; Adams, Catherine E. – Journal of Child Psychology and Psychiatry, 2010
The onset of diagnostic symptomology for neuropsychiatric diseases is often the end result of a decades-long process of aberrant brain development. Identification of novel treatment strategies aimed at normalizing early brain development and preventing mental illness should be a major therapeutic goal. However, there are few models for how this…
Descriptors: Schizophrenia, Mental Disorders, Attention Deficit Disorders, Brain
Schirmbeck, Frederike; Georgi, Alexander; Strohmaier, Jana; Schmael, Christine; Boesshenz, Katja V.; Muhleisen, Thomas W.; Herms, Stefan; Hoffmann, Per; Jamra, Rami Abou; Schumacher, Johannes; Maier, Wolfgang; Propping, Peter; Nothen, Markus M.; Cichon, Sven; Rietschel, Marcella; Schulze, Thomas G. – Journal of Autism and Developmental Disorders, 2008
Whereas "Dysbindin" is considered a schizophrenia vulnerability gene, there is no consistency of findings. Phenotype refinement approaches may help to increase the genetic homogeneity and thus reconcile conflicting results. Premorbid adjustment (PMA) has been suggested to aid the phenotypic dissection. Gornick et al. ("J Autism Dev…
Descriptors: Schizophrenia, Patients, Genetics, Foreign Countries
Download full textBiswas, Parthasarathy – Journal of Indian Association for Child and Adolescent Mental Health, 2008
In the last decade there has been an exponential increase in studies on neurobiological measures in childhood-onset schizophrenia (COS). There seems to be a consensus that structural changes in COS are more marked than in adolescence-onset (AdOS) or adult-onset schizophrenia (AOS). Atrophy of total brain volume is progressive throughout the course…
Descriptors: Schizophrenia, Children, Patients, Neurology
Fahim, Cherine; Stip, Emmanuel; Mancini-Marie, Adham; Beauregard, Mario – Brain and Cognition, 2004
Background: Brain morphology and physiological measures in schizophrenia have yielded inconsistent results. This may be due in part to difficulties in ascertaining precisely to what degree each measure deviates from its genetically and environmentally determined potential level. We attempted to surmount this problem in a paradigm involving…
Descriptors: Genetics, Memory, Twins, Schizophrenia
fMRI Correlates of State and Trait Effects in Subjects at Genetically Enhanced Risk of Schizophrenia
Whalley, Heather C.; Simonotto, E.; Flett, S.; Marshal, I.; Ebmeier, K. P.; Owens, D. G. C.; Goddard, N. H.; Johnstone, E. C.; Lawrie, S. M. – Brain, 2004
Schizophrenia is a highly heritable disorder that typically develops in early adult life. Structural imaging studies have indicated that patients with the illness, and to some extent their unaffected relatives, have subtle deficits in several brain regions, including prefrontal and temporal lobes. It is, however, not known how this inherited…
Descriptors: Schizophrenia, Genetics, Correlation, Heredity
Biswas, Parthasarathy; Malhotra, Savita; Malhotra, Anil; Gupta, Nitin – Journal of Indian Association for Child and Adolescent Mental Health, 2006
Background: Childhood onset schizophrenia (COS) is a rare disorder. Comparative data on the effect of differential age of onset on clinical profile in schizophrenia are very few. Method: Subjects with COS (n = 15), adolescence onset schizophrenia (AdOS, n = 20) and adulthood onset schizophrenia (AOS, n = 20) were compared on socio-demographic,…
Descriptors: Schizophrenia, Intelligence Quotient, Psychopathology, Children
