Publications by authors named "Masako Kouno"
Ambient echolalia is a rare condition with few reported cases. We report the case of a 20-year-old man with a germinoma around the bilateral ventriculus lateralis who exhibited ambient echolalia. Clinical features included instinctive grasp reaction and compulsive manipulation of tools in his right hand.
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- A 69-year-old woman experienced a cerebral infarction affecting her left anterior cingulate cortex and corpus callosum, leading to unique symptoms like hyperlexia and ambient echolalia.
- *Hyperlexia involved her reading words and repeating unrelated conversations or announcements, while she also displayed behaviors like visual groping and compulsively handling tools.
- *These combined symptoms, attributed to the brain damage, suggest a breakdown in the inhibition of established motor functions connected to the supplementary motor area and the damaged anterior cingulate cortex.