Patients need 8 to 9 hours of weekly speech therapy
Average hours of treatment for aphasic people in the developed world ranges between 1–5 hours per week, with a great deal of variability, although recent research suggests that intense treatment of 9 hours per week over a relatively short period is needed in order to be effective. It is concluded that there is a signiﬁcant gap between what the research suggests is the appropriate amount of treatment and actual provision throughout the English-speaking world.
Code, C, Petheram, B 2011. Delivering for aphasia. International Journal of Speech-Language Pathology, 13(1), Pp. 3--10.
They found that those studies that showed a signiﬁcant treatment effect had provided an average of 8.8 hours of therapy per week for 11.2 weeks compared to studies that did not ﬁnd a signiﬁcant effect of treatment, which provided only 2 hours per week, but for 22.9 weeks. Studies with a positive outcome had provided an average total of 98.4 hours of therapy, and ineffective studies provided 43.6 hours of therapy.
Total length of therapy time provided was signiﬁcantly correlated with greater improvement. The study concluded that intensive therapy over a relatively short amount of time can signiﬁcantly improve outcomes of speech and language. “
However increasing treatment intensity [hours per week] often is not feasible due to economic limitations in most public health systems but also due to the lack of various other resources, such as time and space (Rose et al., 2014). Thus, research on non-behavioral supplementary treatments is needed, which may potentiate the effectiveness of SLT, particularly in acute and subacute stages where the SLT is currently provided with highest intensity (Katz et al., 2000; Verna et al., 2009). Such possible adjuvant strategies may comprise pharmacological approaches as well as non-invasive brain stimulation (NIBS).
Recent advances in the treatment of post-stroke aphasia, Neural Regeneration Research, Zumbansen, A. & Thiel, A. (2014). . URL