How brain implants are treating depression
An experimental surgery that sends electricity into the brain may offer relief from mental disorders
![Jon Nelson sits next to his son.](jpg/092323_neurotech_1_featb14e.jpg)
Jon Nelson, shown here with his son, struggled with severe depression for years.
Aidan Kahn
Jon Nelson, shown here with his son, struggled with severe depression for years.
Aidan Kahn