Brain Plasticity and fMRI
Plasticity is the collective term used for a number of mechanisms that lead to molecular and/or structural alterations of an organism. These changes occur throughout life during learning processes, novel experiences as well as in response to injury. This chapter consists of a review of functional magnetic resonance imaging findings on plasticity phenomena occurring in response to brain injury, epilepsy, and congenital lesions. First, in a brief introduction to the phenomenon ‘plasticity’, a number of factors influencing plasticity phenomena and recovery from brain injury are discussed. Next, we discuss the occurrence of plasticity phenomena in a number of diseases. In the section on plasticity phenomena in patients with brain Tumors, both preoperative and postoperative plastic changes are considered, with a focus on the motor system. The section on plasticity phenomena in patients with epilepsy is mainly focused on the lateralization (or dominance) of language in these patients.
KeywordsSupplementary Motor Area Mesial Temporal Lobe Epilepsy Brain Plasticity Language Dominance Language Lateralization
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