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Core Services

Occupational Therapy, Biofeedback & Neurofeedback

As a PhD-level applied psychophysiologist and occupational therapist, Dr. Amanda integrates traditional OT methods with advanced, evidence-based interventions that address the mind, body, and nervous system.

Encinitas, CA — home of Amanda J Gretsch, Inc.

Who We Serve

Children

Supporting school success, sensory challenges, developmental delays, ADHD, and ASD.

Teenagers

Helping teens navigate anxiety, executive function challenges, social communication, and academic demands.

Adults

Addressing recovery from brain injury, cognitive decline, anxiety, depression, and peak performance goals.

The Foundation

What is Occupational Therapy?

Occupational Therapy (OT) is a client-centered, evidence-based profession that helps individuals of all ages develop, recover, or optimize the skills they need to participate fully in daily life. Occupations are the meaningful activities people do every day — from self-care and schoolwork to work tasks, play, and leisure.

Dr. Amanda works with children, teens, and adults who may experience challenges with attention, learning, sensory processing, emotional regulation, executive functioning, or recovery from injury or illness.

Her approach is comprehensive and holistic, addressing the mind, body, and nervous system to support functional independence, well-being, and performance.

Sensory integration therapy to improve sensory processing and regulation
Biofeedback and neurofeedback to enhance self-regulation and brain function
Stress management and coping skills training to reduce anxiety and build resilience
Executive function skills training to improve organization, focus, and daily planning
Mindfulness interventions for emotional balance and focus
Social Thinking® interventions to support communication and relationships
Neurostimulation interventions and other brain-based approaches to optimize neural efficiency
Occupational therapy assessment session

Together, these services are tailored to each individual's goals —

Whether it's supporting a child's success in school, helping an adult recover from a brain injury, or assisting someone in achieving peak performance in work, sports, or creative pursuits.

Biofeedback therapy session

Mind-Body Regulation

What is Biofeedback?

Biofeedback interventions are evidence-based techniques that teach individuals how to gain greater awareness and control over their body's physiological processes. Using non-invasive sensors, biofeedback provides real-time information about muscle activity (EMG), skin conductance (GSR), temperature, breathing patterns, and heart rate variability (HRV).

This data helps individuals learn to regulate stress responses, improve relaxation, enhance focus, and support emotional and physical well-being.

Biofeedback is particularly beneficial for managing anxiety, ADHD, chronic pain, headaches, sleep difficulties, and the effects of stress or trauma — as well as for those looking to optimize performance in school, work, or sports.

Neurofeedback brain training

Brain Training

What is Neurofeedback?

Neurofeedback is a specialized type of biofeedback that helps individuals train their brain's electrical activity for improved regulation and performance. Using sensors placed on the scalp, neurofeedback provides real-time feedback about brainwave patterns, allowing the brain to gradually learn healthier, more balanced activity over time.

At our clinic, we utilize amplitude training (teaching the brain to increase or decrease specific brainwave frequencies) and infralow neurofeedback (targeting very slow brainwave activity to support network-level regulation and stabilization of the nervous system).

Neurofeedback is an evidence-based, non-invasive intervention that can support attention, emotional regulation, sleep, and cognitive performance. It is widely used for ADHD, autism spectrum disorder, anxiety, depression, traumatic brain injury, and neurological conditions — as well as by individuals seeking peak mental performance.

Advanced Techniques

Neurostimulation

Neurostimulation interventions are non-invasive techniques that use gentle electrical or auditory stimulation to support healthy brain and nervous system function.

tDCS

Transcranial Direct Current Stimulation

Delivers a low-level direct current to modulate cortical excitability and support attention, mood, and cognitive performance.

tACS

Transcranial Alternating Current Stimulation

Uses rhythmic alternating currents to gently entrain brain oscillations, supporting optimal brainwave patterns.

AVE

Audiovisual Entrainment

Rhythmic flashes of light and pulses of sound that guide the brain into specific brainwave patterns.

PEMF

Pulsed Electromagnetic Field

Low-frequency electromagnetic stimulation to enhance cellular function, reduce inflammation, and support neurological recovery.

Free Consultation