Stone et al (2002) showed that the ?1A adrenergic receptor antagonist WB4101 and also the ?1D antagonist BMY7378 had tiny effect on the increase in motor activity a result of modafinil, but terazosin, which blocks ?1A, ?1D, and ?1B receptors considerably attenuated this impact. Moreover, modafinil had quite compact effects on gross movement in ?1B