Neuro-Fit Systems, Inc.Neuro-Fit Systems, Inc.
    Take the Quiz

    You plan the whole morning around the meltdown you know is coming.You plan the whole morning around
    the meltdown you know is coming.

    Your child holds it together all day at school and falls apart the moment they see you.Your child holds it together all day at school
    and falls apart the moment they see you.

    You have not run out of options. The help came in the wrong sequence.

    Behavior is a readout, not a character report. When a child's nervous system isn't ready to receive help, nothing lands. We build that readiness first.

    The Costello Method™ prepares your child's nervous system first, through movement, so the calm and focus already in them can finally show up: at the door in the morning, at bedtime, in the moments that used to fall apart. Twelve weeks, one-to-one, in Santa Monica or online.

    Take the Neuro-Access Quiz

    Already know you want to talk? Book a call.

    A mother and child in a calm, connected moment

    Where the sequence breaks

    The sequence breaks when the nervous system cannot receive, process and respond to what is being asked of it.

    Behavioral Coaching and Skill Building

    These approaches ask your child to try harder before their nervous system is ready. When the system is not stable, more effort just makes things harder. It is not a willpower problem. It is a sequencing problem.

    Therapy and Medication

    These tools can help. But if the nervous system does not yet have the Access to receive and use them, the results will not stick. It is not that the tools are wrong. The system just was not ready for them yet.

    The Foundation the Others Are Missing

    The Costello Method™ is not a replacement for therapy or medication. It builds Access first, so everything else your child is already receiving can finally take root. This is the step that was missing.

    Overwhelm has an architecture.

    When daily demands outpace your child's ability to receive, process and respond, day in and day out, you see the gap as overwhelm.

    1

    Receive

    Signals from the world around your child

    2

    Process

    How their nervous system sorts them

    3

    Respond

    Protection or Access

    You are in the right place if:

    Your child has an ASD, ADHD, or Anxiety diagnosis and the label gave you a name but not a way forward.

    You have tried therapy, behavioral supports, and medication and something is still not landing.

    Your child moves constantly: rocking, spinning, pacing. That movement isn't the problem. It's the nervous system trying to settle itself.

    You can see what your child is capable of. You just cannot reach it consistently.

    "You were right to notice because those were signs of a nervous system that needs support, not more time."

    Dr. Jim Costello, Founder, Neuro-Fit Systems, Inc.

    25 years working with the body-brain connection.

    As Featured In

    Vanity Fair·Yahoo·The Independent·Marca

    How It Works

    Find the signature

    The 3-minute Neuro-Access Quiz shows your child's Neurologic Signature: Braced, At Capacity, or Fatigued.

    Measure it

    A movement-based assessment, the Costello Neuromotor Baseline™, shows where your child's system is starting from, so we can measure change across all twelve weeks.

    Recalibrate it

    One-to-one movement work in three phases, Foundation, Fortify, and Fine Tune, that helps your child's nervous system take in the world and respond to it more steadily. We call this work Neuromotor Calibration™.

    What We Measure

    Every child starts with the Costello Neuromotor Baseline and is reassessed at 3 to 4 months. Across 726 clinical assessments of 292 individuals: 44.1% average improvement. 66.1% of clients achieved more than 25% improvement.

    The Costello Method™ Three Phases

    The Costello Method rebuilds in a specific order. The body has to be ready for each step before the next one can hold.

    1

    Phase 1 - FOUNDATION

    We start at the foundation: how your child's body takes in signals, before anything else is asked of it. As that foundation steadies, your child's system learns it is safe. The reactivity you have been absorbing all day begins to settle. The bracing eases.

    2

    Phase 2 - FORTIFY

    We build the neuromotor pathways that let your child meet stress without shutting down or coming apart. This is where endurance develops. Instead of draining under the demands of an ordinary day, the transitions, the noise, the sudden change of plan, your child's system starts to hold steady.

    3

    Phase 3 - FINE TUNE

    We refine how your child's body and brain communicate, so focus, emotional flexibility, and clearer thinking become reliable instead of occasional. You will not have to coax these out of your child or force them. They show up on their own once the foundation underneath can finally hold them.

    Sessions are one-to-one, in person in Santa Monica and online for families outside the area.

    The Costello Method™ is not a fitness program, physical therapy, psychotherapy, medical treatment or a diagnostic system. Neuro-Fit Systems does not diagnose or treat medical conditions. We work the system beneath the label.

    Most approaches work from the top down. This works from the bottom up. When the system underneath has Access, the behavior has something steady to stand on. Behavior is a readout, not a character report. No forcing. No managing. No asking your child to try harder than they already are.

    What Families Say After 12 Weeks

    MORNINGS AND SLEEP
    "Michael had been in therapy for three years. We saw small improvements but nothing that held. Three weeks into this program something shifted. He stopped fighting us at the door every morning. He started sleeping through the night. Our house got quieter in a way I did not know was possible."
    Jensen K.
    WHEN NOTHING STUCK
    "We had tried everything the doctors recommended. Charts, medication adjustments, therapy twice a week. Nothing stuck. What changed here was not his behavior. It was him. He stopped fighting himself."
    Parent of Liam, age 9
    TRANSITIONS AND HOMEWORK
    "The improvement we have seen in Miles has been incredible. Not only can he move from one task to the next without a meltdown, we have also seen real gains in his focus and his ability to sit down and work through his homework. Something shifted at the root."
    Leslie M.
    ADULT: DAILY DREAD
    "I had been managing anxiety my whole life. I thought that was just who I was. Eight weeks in I realized I had gone three days without that constant feeling of dread. I did not even notice it was gone until it had already left."
    Aura Brooks
    SOCIAL CONFIDENCE
    "Our daughter was timid around other children. She wanted to connect but did not quite know how to step in. Midway through the program, we watched Sienna become more confident and more physically present on her own. Then one day at the park, something shifted. She walked right up to a group of kids and jumped in. She has not stopped since."
    Sandra M.

    Start Here. Everything Else Gets Clearer After This.

    The Neuro-Access Quiz takes 3 minutes. It shows whether your child's nervous system is Braced, At Capacity, or Fatigued, and what that means for their behavior, focus, and ability to connect.

    Already know you want to talk? Book a call.

    Access starts in the body. The brain follows.™