van der Marel K, Klomp A, Meerhoff GF, Schipper P, Lucassen PJ, Homberg JR, Dijkhuizen RM, Reneman L, Long - term oral methylphenidate treatment in adolescent and adult rats: differential effects
on brain morphology and function.
Six month after this test phase, individual fish brains were measured to investigate the long term consequences of early group size
on brain morphology, revealing differences in brain architecture.