PSYB65H3 Chapter 14: Human Brain - Chapter 14.docx
Document Summary
Even successful rehabilitation is not restoration tot eh previous state. More to do with compensation that recovery/restoring learning of new was to do the required learned tasks. Mass of new and abnormal tissue that is not physiologically beneficial to its surrounding structures [akak neoplasms new tisse"] Space-occupying lesions > foreign objects that cause damage to the cns by putting pressure on it and occupying space that is normally occupied by the. Encapsulated > tumor that has clear borders. Benign tumors > not likely to reoccur and good prognosis associated w/ it. Gliomas > tumors that arise form glial cells [most common brain tumors] two types: astrocytomas: slow-growing benign tumors that arise form the growth of astrocytes [rarely malignant] Relatively encapsulated > damagage tends to come form compression of the surrounding tissues. Since close to brainstem structures that support vegetative functions > prognosis is poor [chemo] Tumors arising from meninges tumors that grow out of and remain attached to the meninges.
