Language Disorders ( 3) Paraphasia Substitution of a word by a sound an incorrect word. or an unintended word Neologism Paraphasia with a completely novel word Nonfluent speech Talking with considerable effort Agraphia Impairment in writing Alexia: Disturbances in reading
Language Disorders (3) • Paraphasia: – Substitution of a word by a sound, an incorrect word, or an unintended word • Neologism: – Paraphasia with a completely novel word • Nonfluent speech: – Talking with considerable effort • Agraphia: – Impairment in writing • Alexia: – Disturbances in reading
Three major types of Aphasia Rosenzweig: Table 19.1, p. 615 Borca's aphasia Nonfluent speech Wernicke's aphasia Fluent speech but unintelligible ° Global aphasia Total loss of language Others: Conduction, Subcortical. Transcortical Motor/Sensory(see also Kandel, Table 59-1)
Three major types of Aphasia Rosenzweig: Table 19.1, p. 615 • Borca’s aphasia – Nonfluent speech • Wernicke’s aphasia – Fluent speech but unintelligible • Global aphasia – Total loss of language Others: Conduction, Subcortical, Transcortical Motor/Sensory (see also Kandel, Table 59-1)
Brain areas involved in Language Primary motor cortex Brocas area Supramarginal gyrus Angular gyrus Primary auditory Wernicke area area
Brain areas involved in Language