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. Author manuscript; available in PMC: 2012 Mar 11.
Published in final edited form as: J Commun Disord. 2011 Dec 22;45(2):69–83. doi: 10.1016/j.jcomdis.2011.12.004

Figure 2.

Figure 2

Reaction time means and standard deviation for all groups for both category types and typicality condition.

The levels of category type are ad-hoc and well-defined. The levels of group are healthy older adult, healthy younger adult, MSI patient, and LSI patient. The levels of typicality are nonword, typical, atypical, and nonmember. Statistical data for patients was obtained from planned comparisons. Error bars represent standard error. MSI = more semantic impairment, LSI = less semantic impairment.