About Abigail Cooper Marshall
Abigail Marshall, LCSW, is an Internal Family Systems Level 3 trained psychotherapist, with advanced training in the neurobiology of traumatic stress and polyvagal nervous system regulation. Drawing on dynamic clinical experience, she offers a unique blend of relational play therapy, attachment-based approaches, and process art. She has a special ability to connect with hard‑to‑reach or neurodivergent children and adults, while skillfully managing complex diagnostic cases.
Our Collaborative Approach
Abigail Marshall provides a safe, creative, and supportive therapeutic environment where clients feel understood and accepted. She works collaboratively with children, adults, and families, helping them navigate emotional challenges such as anxiety, fears, and emotional dysregulation. Her approach emphasizes building trust, emotional awareness, and resilience, while using creative tools like play, art, and crafts to help clients express emotions and develop self-regulation skills.
Education & Licensure
🎓 Licensed Clinical Social Worker (LCSW)
🎓 Level 3 Trained – Internal Family Systems (IFS), IFS Institute
🎓 Cognitive Behavioral Therapy (CBT) Training – Beck Institute
✔ Dialectical Behavior Therapy (DBT) Coursework
✔ Professional Study – Ackerman Institute
Trauma Specialization
Abigail specializes in working with individuals experiencing:
- Trauma and Stress-Related Emotional Challenges
- Anxiety and Phobias
- Emotional Dysregulation
- Rumination and Reassurance-Seeking Behaviors
- Executive Functioning Difficulties (planning, flexibility, impulse control)
- Neurodivergent Children and Adults
- Attachment and Relationship Challenges
- Complex Diagnostic Cases
- Emotional and Social Development Challenges in Children
Treatment Modalities
Abigail integrates several evidence-based and creative therapeutic approaches, including
- Internal Family Systems (IFS) Therapy
- Cognitive Behavioral Therapy (CBT)
- Dialectical Behavior Therapy (DBT)
- Relational Play Therapy
- Attachment-Based Therapy
- Process Art Therapy
- Polyvagal-Informed Nervous System Regulation
- Neurobiology-Informed Trauma Therapy
- Mindfulness and Creative Expression Techniques
Contact Us
Reach out to begin your healing journey with Light Street Psychotherapy.