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NAViGO is an award winning not for profit social enterprise: any “profit” generated is reinvested directly back in to services for people with mental health problems.

The Targeted TMS Centre is based in Harrison House, Peaks Lane, Grimsby and represents NAViGO’s commitment and investment in new therapeutic options.

At the TMS Centre, we carry out research using the brain imaging methods of Independent Component Analysis (ICA) and Low Resolution Tomography (Loreta) to identify the fundamental profile implicated in a person’s mental disorder.

This involves recording the natural electrical activity in a person’s brain, using an electroencephalogram (EEG) and identification of the nature of events which occur in the brain.

We analyse the EEG using ICA in order to identify particular patterns of anomalous brain activity, which we know are associated with mental disorder. We thus characterise each person we investigate. These anomalous patterns are known as EEG phenotypes.

Through identifying each person’s phenotype, it is possible to predict how best to treat that person with TMS.

The aim of our research is to develop a Transcranial Magnetic Stimulation treatment database that uniquely predicts the most effective treatment for each person according to their phenotype, and therefore provides a personalised therapy.

Click here to download the latest NICE (National Institute for Health and Care Excellence) guidance

the tms@navigo team

Dr Colin Robertson Ph.D.

Transcranial Magnetic Stimulation Practitioner

Dr. Colin Robertson is a Psychophysiolgist who gained his Ph.D. in 1986 from the University of Hull.

Colin specialises in using QEEG techniques to guide the application of Transcranial Magnetic Stimulation to treat Depression, Anxiety, OCD and PTSD. Colin’s interests include Memory Reconsolidation, Emotional Intelligence and Neurofeedback.

In collaboration with Prof. Mortimer they have over 14 years’ experience with TMS treatment of mood disorders.

Prof. Ann Mortimer, MD

Consultant Psychiatrist

Prof. Ann Mortimer, MD, Consultant Psychiatrist, Emeritus Professor of Psychiatry, University of Hull

Prof Mortimer has 35 years’ experience in psychiatry and has published widely in the field.

Prof Mortimer’s particular expertise is in the precise diagnostic formulation of mental disorder, and the treatment of chronic and resistant mental health problems such as Depression and Schizophrenia. She is sought after for second opinions on a national basis.

Nicola Mallon

Secretary to Professor Mortimer and TMS@NAViGO

Nicola Mallon has been working with the TMS service since 2013 and has worked in a secretarial/admin role within the wider NHS for the last seventeen years.

Nicola is responsible for processing and co-ordinating enquiries and referrals into the service.  She gathers all the relevant information needed for the clinicians prior to initial consultation.

She is always at the end of the telephone and more than happy to answer any queries you may have about the referral process.

Kawthar Alli

Research Assistant

Kawthar Alli is a psychology graduate from University of Essex and a graduate member of the British Psychological Society.

Her key role is conducting the TMS treatment, based on the QEEG analysis provided by Dr Colin Robertson. Kawthar provides a person centred approach and is particularly interested in combining the effect of TMS with psychotherapy to produce life changing results.


individual treatment programme

Transcranial Magnetic Stimulation is a non-invasive, pain free method to stimulate areas of the brain to improve symptoms of depression.


TMS@NAViGO offers a treatment programme over a short time frame tailored to your needs.

NAViGO has been at the forefront of research and development of TMS as a treatment for depression.

individual treatment programme

Targeted TMS@NAViGO has a 64% success rate…31% more effective than traditional left frontal TMS.

contact us

Contact us today to find out more about how Targeted TMS@NAViGO can help you.