Leonard Groysman

Catatonia Eight Years after Head Injury

Leonard Groysman, Keeban Nam, Nancy Vo, Evita Rocha, Jessica Cvetko, Jessica Kim, Ebaa Al-obeidi, Christopher Cho & Robert G. Botab · Journal of Advances in Medicine and Medical Research · 2016

We present the case of a male patient with traumatic brain injury leading to gradual deterioration in functioning over several years, culminating in a state of prolonged treatment-resistant catatonia complicated by an inability to perform activities of daily living and necessitat...

Open access Research Article 10.9734/BJMMR/2017/30545

Catatonia as a Syndrome Characterized by GABAergic Interneuronal Dysfunction Mediated by NMDA Receptors

Robert G. Bota, Leonard Groysman & Austin Momii · Journal of Advances in Medicine and Medical Research · 2017

Efforts to elucidate the pathophysiology of catatonia have hitherto been unsuccessful largely due to its variegated clinical presentation and seemingly disparate treatment modalities. Catatonia manifests with marked behavioral and cognitive changes, often producing a significant...

Open access Research Article 10.9734/BJMMR/2017/30718