Boomsma DI, Cacioppo JT, Slagboom PE, Posthuma D. (2006). Genetic linkage and association analysis for loneliness in Dutch twin and sibling pairs points to a region on chromosome 12q23-24. Behav Genet, 36(1):137-46.

Boomsma DI, de Geus EJC, Vink JM, Stubbe JH, Distel MA, Hottenga JJ, Posthuma D, van Beijsterveldt TCEM, Hudziak JJ, Bartels M, Willemsen G (2006). Netherlands Twin Register: From Twins to Twin Families. Twin Res, 9(6):849-57.

Gosso MF, de Geus EJC, van Belzen MJ, Polderman TJC, Heutink P, Boomsma DI, Posthuma D. (2006). The SNAP-25 gene is associated with cognitive ability: Evidence from a family based study in two independent Dutch cohorts. Mol Psychiat, 11(9):878-886.

Gosso MF, van Belzen M, de Geus EJC, Polderman JC, Heutink P, Boomsma DI, Posthuma D (2006). Family based association testing provides further evidence for a role of the CHRM2 gene in cognition. Genes, Brain, Behav, 5(8), 577-584.

Hillman CH, Motl RW, Pontifex MB, Posthuma D, Stubbe JH, Boomsma DI, De Geus EJC (2006). Physical activity and cognitive function in a cross-section of younger and older community-dwelling individuals. Hlth Psychol., 25(6):678-87.

Hulshoff Pol HE, Schnack HG, Posthuma D, Mandl RCW, Baare WF, van Oel C, van Haren NE, Collins DL, Evans AC, Amunts K, Burgel U, Zilles K, Geus EJC, Boomsma DI, Kahn RS.  (2006) Genetic Contributions to Human Brain Morphology and Intelligence.  J Neurosc, 26(40):10235-42.

Nieuwenhuis S, Stins JF, Posthuma D, Polderman TJC, Boomsma DI, & de Geus EJC. (2006). Accounting for sequential trial effects in the flanker task: Conflict adaptation or associative priming? Mem Cog, 34(6):1260-72.

Polderman TJC, Gosso MF, Posthuma D, van Beijsterveldt CEM, Heutink P, Verhulst FC, Boomsma DI. A Longitudinal Twin Study on IQ, Executive Functioning, and Attention Problems During Childhood and Early Adolescence. Acta Neurologica Belgica, 106, 191-207.

Polderman JC, Posthuma D, De Sonneville LMJ, Verhulst FC, Boomsma DI. (2006) Genetic analyses of teacher ratings of problem behavior in 5-year-old twins. Twin Research, 9(1):122-30.

Polderman TJC, Stins JF, Posthuma D, Gosso MF, Verhulst FC, Boomsma DI.(2006). The phenotypic and genotypic relation between working memory speed and capacity. Intelligence, 34, 549-560.

Posthuma D, Cherny SS, Boomsma DI. (2006). Introduction to the Special Issue: Human Linkage Studies for Behavioral Traits. Behav Genet, 36(1):1-3.

Posthuma D, & de Geus, EJC. (2006). Progress in the molecular genetic study of intelligence. Cur Dir Psych, 15(4), 151-155.

Posthuma D, Visscher PM, Willemsen G, Zhu G, Martin NG, Slagboom PE, de Geus EJC, Boomsma DI (2006) Replicated linkage for eye color on 15q using comparative ratings of sibling pairs. Behav Genet 36(1):12-7.

Silventoinen K, Posthuma D, van Beijsterveldt CEM, Bartels M, Boomsma DI Genetic and environmental contributions to the association between height and intelligence from young childhood to middle age: evidence from Dutch twin data. Genes, Brain, Behav, 5(8):585-95.

van der Sluis S, Dolan CV, Neale MC, Boomsma DI, Posthuma D. (2006). Detecting Genotype-Environment interaction in MZ twin data: the Jinks & Fulker test and a new test based on Marginal Maximum Likelihood estimation. Twin Res, 9(3):377-92.

van der Sluis S, Posthuma D, Dolan CV, de Geus EJC, Colom R, Boomsma DI (2006). Sex differences on the Dutch WAIS-III. Intelligence, 34,273-289.

Vink JM, Posthuma D, Slagboom PE, Neale MC, Boomsma DI (2006). Genome-wide linkage scan to identify loci for age at first cigarette in Dutch sibling pairs. Behav Genet, 36(1):100-11.