Alexander Kolevzon, MD

AACAP Annual Meeting 2026

October 26–31, 2026 · Atlanta, GA · Full program

• SymposiumUnderstanding Regression in Neurodevelopmental Disorders: A Research-Informed Approach to a Clinically Actionable Framework

  October 27, 2026, 08:30–10:30

  Symposium presenting a research-informed framework for understanding developmental regression in neurodevelopmental disorders and applying it in clinical practice.

  Autism & Neurodevelopmental DisordersChild & AdolescentNeuroscience & Mechanisms

• LectureCatatonia as a Regression Syndrome: Insights From Phelan-McDermid Syndrome

  October 27, 2026, 08:30–10:30

  Examines catatonia as a form of regression, drawing on findings from Phelan-McDermid syndrome.

  Autism & Neurodevelopmental DisordersCatatoniaChild & Adolescent

• LectureCatatonia in Phelan-McDermid Syndrome: Results From the Inventory of Psychiatric Symptoms

  October 29, 2026, 11:30–13:00

  Presents findings on catatonia symptoms in people with Phelan-McDermid syndrome using an inventory of psychiatric symptoms.

  Autism & Neurodevelopmental DisordersCatatonia

• Oral abstractLongitudinal Stability of Intertrial Phase Coherence-Based Biomarkers in Idiopathic ASD and Phelan-McDermid Syndrome

  October 29, 2026, 11:30–13:00

  Examines how stable intertrial phase coherence-based biomarkers are over time in idiopathic autism and Phelan-McDermid syndrome.

  Autism & Neurodevelopmental DisordersNeuroscience & MechanismsDrug Pipeline & Clinical Trials