* 1987 - the research on deep brain stimulation of the thalamic nucleus ventralis intermedius to treat symptoms of Parkinson's disease was published<ref>BENABID A.L. et al. Combined (Thalamotomy and Stimulation) Stereotactic Surgery of the VIM Thalamic Nucleus for Bilateral Parkinson Disease. Appl Neurophysiol, 1987, 50, 344–346 Doi: 10.1159/000100803 Available online at: https://www.karger.com/Article/Abstract/100803 (Retrieved 12th April, 2017).</ref>
* 1993 - deep brain stimulation of subthalamic nucleus was introduced as a treatment of Parkinson's disease.<ref>BENABID A.L. et al. Acute and long-term effects of subthalamic nucleus stimulation in Parkinson’s disease. Stereotact Funct Neurosurg, 1994, 62, 76–84. Doi: 10.1159/000098600 Available online at: https://www.karger.com/Article/Abstract/98600 (Retrieved 12th April, 2017).</ref>
* 1997 - deep brain stimulation was approved as a treatment of Parkinson's disease by FDA.<ref>DANCE, Amber. Deep-Brain Stimulation: Decade of Surgical Relief, Not Just for PD. Alzforum [online]. 2010, May 21. Available online at: http://www.alzforum.org/news/research-news/deep-brain-stimulation-decade-surgical-relief-not-just-pd (Retrieved 12th April, 2017).</ref>
== Enhancement/Therapy/Treatment ==