Hyperactive-Impulsive Symptom Scores and Oppositional Behaviours Reflect Alternate Manifestations of a Single Liability Alexis C. WoodFrühling RijsdijkJonna Kuntsi Original Research 25 July 2009 Pages: 447 - 460
Combining Nonlinear Biometric and Psychometric Models of Cognitive Abilities Elliot M. Tucker-DrobK. Paige HardenEric Turkheimer Original Research 25 July 2009 Pages: 461 - 471
A Biometric Latent Curve Analysis of Memory Decline in Older Men of the NAS-NRC Twin Registry John J. McArdleBrenda L. Plassman Original Research 29 April 2009 Pages: 472 - 495
Odor Identification Deficit as a Predictor of Five-Year Global Cognitive Change: Interactive Effects with Age and ApoE-ε4 Jonas K. OlofssonMichael RönnlundMaria Larsson Original Research 25 July 2009 Pages: 496 - 503
Association Study of Common Mitochondrial Variants and Cognitive Ability Enda M. ByrneAllan F. McRaePeter M. Visscher Original Research 16 May 2009 Pages: 504 - 512
No Association Between Cholinergic Muscarinic Receptor 2 (CHRM2) Genetic Variation and Cognitive Abilities in Three Independent Samples Penelope A. LindMichelle LucianoNicholas G. Martin Original Research 06 May 2009 Pages: 513 - 523
Impact of the Interaction Between the 5HTTLPR Polymorphism and Maltreatment on Adolescent Depression. A Population-Based Study Cecilia ÅslundJerzy LeppertKent W. Nilsson Original Research 07 July 2009 Pages: 524 - 531
Are there Shared Environmental Influences on Adolescent behavior? Evidence from a Study of Adoptive Siblings Jacob P. BuchananMatt McGueWilliam G. Iacono Original Research 21 July 2009 Pages: 532 - 540
Characterization of Quantitative Trait Loci for the Age of First Foraging in Honey Bee Workers Olav Rueppell Original Research 17 May 2009 Pages: 541 - 553
Feminization and Alteration of Drosophila Taste Neurons Induce Reciprocal Effects on Male Avoidance Behavior Fabien LacailleClaude EveraertsJean-François Ferveur Original Research 19 July 2009 Pages: 554 - 563
Feather Pecking in Domestic Fowl is Genetically Related to Locomotor Activity Levels: Implications for a Hyperactivity Disorder Model of Feather Pecking Joergen B. Kjaer Original Research 14 June 2009 Pages: 564 - 570
Novel Sib Pair Selection Strategy Increases Power in Quantitative Association Analysis Johnny S. H. KwanStacey S. ChernyPak C. Sham Original Research 01 July 2009 Pages: 571 - 579
Rank-Based Inverse Normal Transformations are Increasingly Used, But are They Merited? T. Mark BeasleyStephen EricksonDavid B. Allison Original Research 14 June 2009 Pages: 580 - 595
Measurement of the Risk for Substance Use Disorders: Phenotypic and Genetic Analysis of an Index of Common Liability Michael M. VanyukovLevent KirisciDuncan B. Clark Erratum 02 August 2009 Pages: 596 - 596