Browse Glossary Terms 
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Total Records:  741
Selected Terms 
Term Angelman Syndrome 
Definition Angelman syndrome is a severe genetic disorder and developmental delay characterised by lack of or minimal speech with relatively higher communication skills; movement or balance disorder and atypical verbal behaviour such as excitability, hand flapping and short attention span. Individuals with Angelman syndrome are sometimes misdiagnosed as having autism, cerebral palsy or other developmental disorders.  
Source The Autism Encyclopaedia, Neisworth & Wolfe  
 
Term Annual Review 
Definition A yearly review of a co-ordinated support plan carried out by the Education Authority (EA).  
Source NAS Next Steps  
 
Term Antecedent 
Definition A stimulus or event that immediately precedes a behaviour. Antecedents form the first part of the three-term contingency of antecedent –behaviour- consequence (ABC).  
Source The Autism Encyclopaedia, Kubina in Neisworth and Wolfe  
 
Term Antecedent Behaviour and Consequence (ABC) 
Definition ABC analysis identifies conditions that precede and follow problem behaviour. These conditions may then be changed to modify the behaviour (experimental analysis of behaviour). ABC analyses may take a number of different forms, often involving study of behaviour using direct observation and by people who are knowledgeable about behaviour (e.g. parents). Validity and reliability are sometimes questionable if direct observation is used over an extended period of time.  
Source The Autism Encyclopaedia, Zabel in Neisworth and Wolfe  
 
Term Aphasia 
Definition Loss of ability to use or understand words.   
Source http://www.autismweb.com/rdi.htm  
 

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