Evidence-based cognitive behavior therapy  


Spectrum CBT focuses on helping people deal with and overcome their mental health struggles. Spectrum CBT was founded by Sarosh Motivala, PhD, a psychologist who specializes in studying and treating obsessive compulsive and anxiety disorders. Our goal is to help people get back on their feet after suffering from the setbacks that intense, debilitating anxiety, depression and/or OCD can trigger.


Sarosh J. Motivala, PhD

Dr. Motivala is a licensed clinical psychologist (PSY21159) specializing in CBT and exposure therapy based approaches to treat OCD spectrum and Anxiety spectrum disorders. He also received a 5 year Clinical Scientist Award from the National Institutes of Health to treat insomnia patients using CBT. Dr. Motivala is Director of Training at the UCLA Obsessive-Compulsive Disorder Intensive Outpatient Program, where he teaches students how to do exposure and response prevention treatment with patients with severe OCD. Dr. Motivala was born in Bombay India, but grew up in Los Angeles, received his undergraduate degree from UCLA and doctorate in health-clinical psychology from the University of Miami.  He completed his clinical internship at UCLA and was a postdoctoral fellow at the UCLA Cousins Center for Psychoneuroimmunology. He has authored or co-authored over 30 peer-reviewed journal articles and book chapters, and has presented his work at numerous national and international research conferences. In his clinical work, he integrates traditional behavior therapy with CBT and Acceptance and Commitment Therapy (ACT) and relies heavily on research validated treatments to guide his practice.


Melanie Hudson, PsyD

Melanie R. Hudson, PsyD, is a licensed clinical psychologist specializing in the cognitive behavioral treatment of anxiety and obsessive compulsive spectrum and mood disorders. She has received specialized training in the UCLA Anxiety Disorders clinic, UCLA OCD Intensive Outpatient Program and was recently certified by the IOCDF-Behavior Therapy Training Institute. Dr. Hudson received her doctorate degree in Clinical Psychology from the California School of Professional Psychology in San Francisco and completed her clinical internship at the UCSF-San Francisco General Hospital. Later, she worked as primary therapist at Del Amo Hospital’s National Treatment Center specializing in cognitive behavioral therapy on the Eating Disorders and Trauma Recovery inpatient units.  During this time she gained extensive experience in the treatment of traumatic stress disorders, complex dissociative disorders, anxiety disorders and eating disorders. Next, she became Assistant Clinical Director of Laurel Hill Inn Eating Disorders Treatment Program in Massachusetts, a JCAHO accredited program. Dr. Hudson incorporates CBT, exposure-based treatment and a family systems approach into her work with adolescents and adults.

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Erika Levonian, lmft

Ms. Levonian is a Licensed Marriage and Family Therapist (#100831).  Ms. Levonian has a Masters degree in Clinical Psychology with an Emphasis in Marriage and Family Therapy from Pepperdine University and a Bachelors degree in Psychology from USC.    

She has extensive experience working with individuals with OCD. She completed an 18-month intensive rotation at the UCLA Adult OCD Intensive Treatment Program where she received training in Exposure and Response Prevention (ERP). She also interned at Spectrum CBT, specializing in helping clients with OCD.  She has extensive training and experience working with individuals with Autism Spectrum Disorder.  Ms. Levonian works as a program therapist for Reasons Eating Disorder Center Residential where she treats women with eating disorders and co-morbid conditions, including mood disorders, PTSD, and anxiety disorders.