title: Cross-fostering differentially affects ADHD-related behaviors in spontaneously hypertensive rats.
abstract: Although both genetic and non-genetic factors are known to contribute to the occurrence of Attention-Deficit Hyperactivity/Disorder (ADHD), little is known about how they impact specific symptoms. We used a cross-fostering approach with an established animal model of ADHD, the Spontaneously Hypertensive Rat strain (SHR), to test the influence of genotype and maternal behavior on ADHD-related behaviors. SHRs and their normo-active genetic relative, Wistar Kyoto rats (WKY), were cross-fostered to an unfamiliar dam of either the same or different strain. Behavioral testing took place when the rats reached adulthood. Locomotor hyperactivity was completely dependent on the strain of the offspring. In contrast, social behavior was primarily determined by the strain of the mother, while attentional orienting behavior was influenced by both the strain of the offspring and the strain of the dam. Anxiety-related behavior was influenced by an interaction between offspring and dam strain.
authors: Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH, 03755.
authors: Angela C
authors: AC
authors: Gauthier
authors: Nicole E
authors: NE
authors: DeAngeli
authors: David J
authors: DJ
authors: Bucci
mesh_terms: D000367:Age Factors; D000818:Animals; D001289:Attention Deficit Disorder with Hyperactivity / Q000209:etiology* / Q000523:psychology; D004195:Disease Models, Animal; D005260:Female; D008297:Male; D018782:Maze Learning; D009043:Motor Activity; D051381:Rats; D011918:Rats, Inbred SHR / Q000523:psychology*; D011921:Rats, Inbred WKY; D012919:Social Behavior
keywords: SHR; attention; attention-deficit/hyperactivity disorder; locomotor activity; social behavior
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