Article
Genetic basis of a cognitive complexity metric.
PloS one - 1 Jan 2015
Hansell Narelle K, Halford Graeme S, Andrews Glenda, Shum David H K, Harris Sarah E, Davies Gail, Franic Sanja, Christoforou Andrea, Zietsch Brendan, Painter Jodie, Medland Sarah E, Ehli Erik A, Davies Gareth E, Steen Vidar M, Lundervold Astri J, Reinvang Ivar, Montgomery Grant W, Espeseth Thomas, Hulshoff Pol Hilleke E, Starr John M, Martin Nicholas G, Le Hellard Stephanie, Boomsma Dorret I, Deary Ian J, Wright Margaret J
Abstract excerpt
Relational complexity (RC) is a metric reflecting capacity limitation in relational processing. It plays a crucial role in higher cognitive processes and is an endophenotype for several disorders. However, the genetic underpinnings of complex relational processing have not been investigated. Using the classical twin model, we estimated the heritability of RC and genetic overlap with intelligence (IQ), reasoning,...
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