title: Intrafamilial invariance and parent-offspring resemblance in spatial abilities.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D003071:Cognition; D005190:Family; D005260:Female; D014644:Genetic Variation; D005824:Genetics, Behavioral; D006801:Humans; D008297:Male; D011581:Psychological Tests; D013028:Space Perception