Acronym for Child and Adolescent Mental Health Services, services within the UK National Health Service that assess and treat young people with emotional, behavioural or mental health difficulties. Usually a multi-disciplinary team including psychologists, psychiatrists and other specialists.

A gene whose function, or location on a chromosome, suggests that it might be associated with a condition or disorder.

In-depth observation and description of the specific characteristics of a selected individual. Pooling of case study material across individuals may permit identification of general features. The method is used by clinical practitioners, and in some forms of research.

An approach which some have misleadingly claimed alleviates or cures autism by eliminating ‘excess toxins’ from the body. Described by the UK’s National Institution for Clinical Excellence (NICE) as harmful and to be avoided.

A term describing interventions which involve following the child's own interests and motivation as a means of encouraging interaction and learning. (See also adult-directed approaches.)

Structural units in all living cells, composed of long strands of DNA along which genes are located. (See also deoxyribonucleic acid (DNA) and genes.)

The psychological processes involved in thinking, learning, planning and problem-solving, and in the understanding and use of language.

Characteristic strategies or preferences for thinking and processing information.

A medical term for the presence of one or more conditions or disorders alongside a primary condition. In autism, epilepsy is a common co-morbid condition.

I've been training for a long time, hope it's good