Overwhelm has an architecture. We measure it, then recalibrate it.
The Costello Neuromotor Baseline™ and Neuromotor Calibration™. Clear focus, real rest and steady energy, through simple guided movement, not talk. Built from 25 years of direct work with thousands of children and adults.

"The Costello Method helped me reconnect with myself in a way nothing else had. If you're feeling disconnected or stuck, it's something I truly recommend."
Chris Martin, Musician, Coldplay
As Featured In
Receive. Process. Respond.
When that sequence has what it needs, you get Access: clear focus, real rest, steady energy.
Every moment, your nervous system receives signals from the world around you, processes them and responds. When that sequence has what it needs, you have Access. When it is overloaded, you feel it as overwhelm, focus that won't hold and sleep that doesn't restore.
The Costello Method™
Defines the model: how your nervous system receives, processes and responds.
Costello Neuromotor Baseline™
Measures where your system is starting from.
Neuromotor Calibration™
Recalibrates it through simple, guided movement.
Not a fitness program, physical therapy, psychotherapy, medical treatment or a diagnostic system. A body-first model of foundational neurological function.
When demand outpaces access.
When daily demands outpace your ability to receive, process and respond, day in and day out, you feel the gap as overwhelm.
Receive
Signals from the world around you
Process
How your nervous system sorts them
Respond
Protection or Access
Ways to work with Dr. Jim
STILL
Neuromotor Calibration™, guided at home. The Costello Method as a path you can follow at home, paced for your Neurologic Signature. Opening January 2027.
Join the Founding ListAccess Intensive
12 weeks of premium, individualized implementation with Dr. Jim and his coaching team. For STILL members.
Join the WaitlistChildren and Families
Neuro-Fit Systems brings the Costello Method to children and families. 12 weeks, one-to-one, in Santa Monica or online.
Visit Neuro-Fit Systems
25+ Yrs
Direct application across thousands of children and adults
Dr. Jim Costello
For more than 25 years, Jim Costello has worked directly with thousands of children and adults across sports medicine, pediatric care and addiction recovery. He created the Costello Method™, Neuromotor Calibration™ and the Costello Neuromotor Baseline™, and wrote The Brain Follows: Why Mental Health Begins With the Body.
Read Dr. Jim's StoryWhere is your system right now?
Your Neurologic Signature shows where your nervous system is today. It takes three minutes to find yours.
Your nervous system isn't broken. It just hasn't received the right input yet.
Braced
Running in constant overdrive. You can't fully relax, even when nothing is wrong.
At Capacity
Keeping it together, but one small thing away from overflow.
Fatigued
Steady in the morning, running on empty by evening. Your system fatigues before the day is done.