Lesions to the corpus callosum can also induce apraxic-like symptoms, with varying affects on the two hands, although this has not been thoroughly studied.
In particular, higenamine, via a beta-adrenoceptor mechanism, induced relaxation in rat corpus cavernosum, leading to improved vasodilation and erectile function.
He is investigating spoken language interaction from several perspectives, e.g. corpus linguistics, computer modelling of dialog, sociolinguistics and psycholinguistics as well as intercultural communication.