LOBES

Nota:

• Part of pyramidal system Controls vol movement Lesions --> contralateral motor weakness, paralysis, &/or apraxia (disruption in the coordination of complex purposeful movement)

1. "Intentional Movement"

Nota:

• Anterior to primary motor cortex Active during performance of primary motor actions & when observing others perform familiar motor actions

Nota:

• 1 of Primary language areas  For most, left frontal lobe Damage --> EXPRESSIVE Aphasia (deficits in written & spoken language) speak slowly and with great difficulty, usually only nouns and verbs, poor articulation, have difficulty repeating phrases, have anomia and an awareness of their deficits

1. "Impoverished Speech"

Nota:

• Higher-Order cognitive fxs Damage Dorsolateral Prefrontal Area --> "dysexecutive sydrome" - difficulties px-solving, planning and abstract thinking Damage to Medial Frontal area--> "pseudodepression" - apathy, lack of motivation and spontaneous movement, and reduced verbal output Damage to Orbitofrontal area --> "pseudopsychopathy" - sexual disinhibition, course language, peculiar and facetious sense of humor, inappropriate social bs and lack of concern for others.

1. "Executive Functions"

1. "Somatosensory Input"

1. "Visual Info"

Nota:

• Mediation of auditory input Damage --> Auditory Agnosia (can't distinguish sounds) Auditory Hallucinations, & other auditory pxs

1. "Auditory Sensation & Perception"

Nota:

• Usually LTL & involved in comprehension of language DAMAGE --> Wernicke's (RECEPTIVE) Aphasia - trouble understanding language and produce fluent speech that is normal in rate, rhythm, & articulation but makes no sense. 

1. "Understanding Language"