Neuromodulation to Promote Recovery Following Traumatic Brain Injury: A Narrative Review of Current Pharmacologic and Non-Pharmacologic Approaches
Abstract
Traumatic brain injury (TBI) is a leading cause of long-term neurological disability worldwide and is frequently associated with persistent impairments in consciousness, cognition, mood, and functional independence. Despite advances in acute neurocritical care, effective therapies that enhance neurological recovery remain limited. Neuromodulation has emerged as a promising strategy to augment neuroplasticity and improve recovery through both pharmacologic and non-pharmacologic approaches. This narrative review summarizes current evidence supporting pharmacologic neuromodulatory therapies, including central nervous system stimulants (methylphenidate and modafinil), dopaminergic agents (amantadine and bromocriptine), acetylcholinesterase inhibitors (donepezil and rivastigmine), and selective serotonin reuptake inhibitors (sertraline and fluoxetine). Mechanisms of action, clinical efficacy, adverse effects, and practical considerations across the acute, subacute, and chronic phases of TBI recovery are discussed. Emerging non-pharmacologic neuromodulation techniques, including repetitive transcranial magnetic stimulation, transcranial direct current stimulation, electroconvulsive therapy, vagus nerve stimulation, and deep brain stimulation, are also reviewed. Although amantadine remains the only neuromodulator supported by moderate-quality guideline recommendations for accelerating recovery in disorders of consciousness, accumulating evidence suggests that several additional…
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