In the past few decades, psycholinguistic and neurolinguistic research has shown that nouns and verbs are processed differently in cognitively healthy individuals, and can be selectively impaired in aphasic individuals. However, this noun-verb dichotomy is poorly understood. This dissertation investigated cognitive and neural distinctions between nouns and verbs by studying...
Primary progressive aphasia (PPA) is a debilitating neurodegenerative syndrome that principally impairs the cognitive domain of language. Patients demonstrate deficits in a variety of language faculties including object naming (anomia), word finding, single word and sentence reading, speech comprehension, repetition, syntactic processing, and paraphasia. PPA has been associated with selective...