This chapter includes an accompanying lecture presentation that has been prepared by the authors: Video 124.1 . Key Concepts Anorexia nervosa (AN) is a severe refractory psychiatric disorder with high rates of morbidity and mortality. Multiple factors contribute to the…
This chapter includes an accompanying lecture presentation that has been prepared by the authors: Video 123.1 . Key Concepts Major depressive disorder (MDD) is the most common psychiatric illness, with a lifetime prevalence of 10%–20%. Of those cases, approximately 20%…
This chapter includes an accompanying lecture presentation that has been prepared by the authors: Video 122.1 . Key Concepts Obsessive-compulsive disorder (OCD) is a chronic and debilitating neuropsychiatric disorder and it is a key example of obsessive-compulsive and related disorders,…
Key Concepts Tourette syndrome (TS) is a neuropsychiatric disorder characterized by vocal and motor tics, typically with a childhood-onset and significant symptom reduction in early adulthood. Studies have shown a neurodevelopmental deficit in these patients, especially regarding the cortical-striatal-thalamic-cortical loops.…
This chapter includes an accompanying lecture presentation that has been prepared by the authors: Video 120.1 . Key Concepts Functional neurosurgery in the first half of the 20th century centered around the treatment of psychiatric disorders as noninvasive therapeutics were…
This chapter includes an accompanying lecture presentation that has been prepared by the authors: Video 119.1 . Key Concepts Thalamotomy is an established treatment for intractable tremor. However, it is not generally used for management of dystonia, as most neurosurgeons…
Key Concepts Selective peripheral denervation is an elegant surgical method for the treatment of cervical dystonia that can be tailored to the specific pattern of dystonia for an individual patient. Selective peripheral denervation most frequently consists of a combination of…
Key Concepts Recent advances in the transcranial delivery of acoustic energy and magnetic resonance thermography have allowed neurosurgeons to use ultrasonography for therapeutic purposes. Transcranial magnetic resonance–guided focused ultrasound thalamotomy is an incisionless procedure that has been approved by the…
Key Concepts A classic model of basal ganglia circuitry is used to describe the essential neurophysiology of Parkinson’s disease. This model involves two parallel and antagonistic basal ganglia circuits: the direct and indirect pathways. The direct pathway is responsible for…
This chapter includes an accompanying lecture presentation that has been prepared by the authors: Video 115.1 . Key Concepts Microelectrode recording (MER) offers the most accurate structure differentiation tool to localize deep nuclei in the brain. MER requires knowledge of…