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Brodmn Prim Motor
Brodmann's Primary Motor
Primary Motor Area | Brodmann's Numbers | Function | Deficits |
---|---|---|---|
Premotor | lateral 6 | control of trunk and girdle muscles, anticipatory postural adjustments | apraxia |
Broca's area | 44, part of 45 | motor programming of speech (usually in left hemisphere only) | Broca's aphasia |
Broca's area (opposite hemi) | 44, part of 45 | planning nonverbal communication (emotional gestures, tone of voice; usually in right hemisphere) | difficulty producing nonverbal communication |
Supplementary motor | superomedial 6 | initiation of movement, orientation planning, bimanual and sequential movements | apraxia, perseveration |
Primary Motor | 4 | voluntarily controlled movements | paresis, loss of fine motor control, spastic dysarthria |