Abstract
Why Broca's Area Damage Does Not Result in Classical Broca's Aphasia
Highlights
It has been assumed that language production is controlled by Broca’s area, corresponding to Brodmann’s area (BA) 44 (pars opercularis of the left hemisphere) (e.g., Head, 1926; Luria, 1947/1970; Goldstein, 1948; Hécaen, 1972; Damasio and Geschwind, 1984)
It has been assumed that language production is controlled by Broca’s area, corresponding to Brodmann’s area (BA) 44 (e.g., Head, 1926; Luria, 1947/1970; Goldstein, 1948; Hécaen, 1972; Damasio and Geschwind, 1984)
Koechlin and Jubault (2006) for instance, proposed that the more posterior subregions of Broca’s area are preferentially engaged in language tasks based on phonological processing, whereas the more anterior regions including BA44, BA45, and BA47 are more precisely involved in tasks based on syntactic and semantic processing, presumably representing a higher organizational hierarchy
Summary
It has been assumed that language production is controlled by Broca’s area, corresponding to Brodmann’s area (BA) 44 (pars opercularis of the left hemisphere) (e.g., Head, 1926; Luria, 1947/1970; Goldstein, 1948; Hécaen, 1972; Damasio and Geschwind, 1984). Lemaire et al (2013) refer to an extended Broca’s area; Kadis et al (2016) to an expressive language network; Bernal et al (2015) to a Broca’s network; and Ardila et al (2016) proposed a “Broca’s complex” including left BA44 and BA45, and BA46, BA47, partially BA6 (mainly its mesial supplementary motor area) and extending subcortically toward the basal ganglia and the thalamus.
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