At Insight Neuropsychology, Dr. Duff conducts evaluations for individuals experiencing cognitive difficulties associated with aging, dementia, mild cognitive impairment, traumatic brain injury, stroke, and other neurological or psychological conditions. His assessments examine cognitive strengths and weaknesses, clarify the possible causes of cognitive changes, and provide practical recommendations to guide treatment, daily functioning, and future planning. His approach is collaborative, empathetic, and solution-focused, emphasizing practical strategies that individuals can apply to improve their emotional well-being and everyday functioning.

Dr. Duff is known for his ability to explain complex psychological and neuropsychological concepts in clear, understandable language. Whether providing assessment feedback, psychotherapy, or professional consultation, he emphasizes helping individuals understand their difficulties and identify meaningful steps forward.

Education and Professional Background

Dr. Duff earned his Ph.D. in Counseling, Clinical, and School Psychology from the University of California, Santa Barbara, in 2015. His doctoral research examined factors influencing individuals' preferences for online psychological treatment, reflecting his longstanding interest in making mental health services more accessible.

He completed his predoctoral internship at Kaiser Permanente in San Diego, followed by postdoctoral training in clinical neuropsychology at Insight Neuropsychology. His earlier clinical experience also includes providing psychotherapy through the Hosford Clinic in Santa Barbara and working with individuals affected by traumatic brain injuries at the Brain Injury Center in Camarillo.

Dr. Duff has been a licensed psychologist in California since 2017 and has worked extensively in neuropsychological assessment and psychotherapy. His clinical experience encompasses adolescents, adults, and older adults, with a particular focus on understanding the interaction between neurological functioning, cognition, and emotional health.

Areas of Clinical Focus

• Comprehensive neuropsychological assessment

• Dementia and mild cognitive impairment

• Memory loss and age-related cognitive changes

• Traumatic brain injury and stroke

• Psychological and neurological factors affecting cognition

• Anxiety, depression, and bipolar disorder

• Psychotherapy and emotional adjustment

• Online psychotherapy and telehealth

• Cognitive and emotional changes associated with neurological conditions

• Clinical consultation and practical treatment recommendations

Publications and Professional Education

In addition to his clinical work, Dr. Duff is an author, podcaster, and mental health educator. He is the author of the bestselling Hardcore Self Help series, which addresses topics including anxiety and depression using accessible language and practical strategies. He also created The Hardcore Self Help Podcast, through which he has provided mental health education to a broad audience.

Dr. Duff has contributed psychological expertise to media publications and professional educational programs. His experience communicating complex psychological concepts to diverse audiences complements his clinical work, particularly his emphasis on helping patients and families understand assessment findings and apply recommendations in everyday life.