Auditory Processing Disorder Interest Group

The APD SIG promotes a high standard of research and evidence-based care and encourages international and interdisciplinary collaboration.

Who we are:

The APD SIG, was established in 2003 and is the first BSA SIG. Our steering group represents a broad range of professional disciplines and includes leading researchers and clinicians from a wide range of professional backgrounds.  

We foster strong links with the community and individuals with APD as well as their families. We invite both professionals and members of the public to serve as advisors to our SIG. 

Our Aims

  • Promote a high standard of research and evidence-based care and encourage international and multidisciplinary collaboration
  • Build knowledge and empower professionals, funders and all stakeholders to improve the lives of adults and children with APD

Steering Group Members

Steering Group

Prof Nicci Campbell (Chair): Professorial Fellow, University of Southampton 

Prof Stuart Rosen (Vice Chair): Professor of Speech and Hearing Sciences, University College London 

Pauline Grant (Immediate Past Chair) ToD, Lead Educational Consultant at Listen to Learn. 

Dr Ansar Ahmmed: Consultant Paediatric Audiovestibular Physician at the Lancashire Teaching Hospitals NHS Foundation Trust 

Dr Nehzat Koohi: NIHR Clinical Lecturer, University College London 

Stuart Whyte: Rehabilitationist Teacher of the Deaf at the University of Southampton 

Dr Christina Murphy: Head of THE APD CLINIC and Specialist Paediatric Audiologist at the Central and North West London NHS 

Dr Chrysa Spyridakou: Consultant audiovestibular physician, University College London Hospital  

Dr Hannah Stewart: Lecturer in Developmental Psychology, Lancaster University 

Silvia Bonaventura: Paediatric Audiologist for Barts Health NHS Trust 

Rachel Crum (Early career professional representative): Audiologist, University College London 

Rebecca Johnson (Early career professional representative): Clinical Scientist / Specialist Audiologist at Oxford University Hospitals NHS Foundation Trust 

Emily McCabe, Hearing Health Policy Officer, National Community Hearing Association

Melina Matthiessen, Senior Audiologist, University Hospitals Sussex

Reference Members and Advisors 

Prof Doris Bamiou 

Prof Harvey Dillon 

Prof David R. Moore 

Dr Tony Sirimanna 

Alyson Mountjoy (Advisor, Chair APD Support UK) 

Current projects

Our SIG, the first of the BSA SIGs, has excelled and shaped international thinking. We have published several BSA peer-reviewed practice guidance documents, and the first-ever ‘APD White Paper’ (2013), with an international set of commentaries from leading experts around the world, published in the International Journal of Audiology. 

We regularly add new presentations to the BSA Online Learning platform. Recent examples include: 

  • APD: Overview, assessment and management 
  • Another kind of noise 
  • Option of co-morbidities for APD reference standard 
  • APD: Auditory training for children and adults (in press) 

We are currently working on our new BSA APD practice guidance document, a joint SIG guidance document on assistive listening devices for adults and a new white paper with international partners which will be published in 2024.



Other resources

(Disclaimer: Although care has been taken in preparing this information, the BSA does not necessarily endorse and cannot guarantee the interpretation and application of it. The BSA cannot be held responsible for any errors or omissions, and accepts no liability whatsoever for any loss or damage howsoever arising) 

APD: Neural basis of central auditory processing (also available on the BSA Online Learning platform) 

American Speech-Language-Hearing Association 

Audiology Australia Professional Practice Standards Part B Clinical Standards (p.90) 

A European perspective 

APD Support UK 

APD Services in the UK

APD Meshguide 

Canadian Guidelines on Auditory Processing Disorder in Children and Adults: Assessment and Intervention 

New Zealand Guidelines on Auditory Processing Disorder 

NHS online

World Health Organisation (p.37)

More to explore


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