Glossary of terms relating to Autism
H
| Term | Definition |
|---|---|
| High-Functioning Autism |
High-Functioning Autism (HFA) is an informal term applied to individuals who show some symptoms of Autism, but are very close to neurotypical. One definition is that individuals with HFA have an IQ at 70 or above. 114 |
| Hyperlexia |
Hyperlexia is when a child spontaneously and precociously masters single-word reading. It can be viewed as a superability, that is, word recognition ability far above expected levels. The more common definition also includes difficulties with comprehension of printed material beyond or even at the single-word level. Many hyperlexics also have trouble understanding speech. 115 |
| Hyperresponsiveness |
See Sensory Defensiveness |
| Hypersensitivity |
See Sensory Defensiveness |
| Hyporesponsiveness |
Hyporesponsiveness is abnormal insensitivity to sensory input. Child who appears to be deaf, whose hearing is normal, is under reactive. Child who is under reactive to sensory input may have a high tolerance to pain, may be clumsy, sensation-seeking, and may act aggressively. 116 |
| Hyposensitivity |
Hyposensitivity is abnormal insensitivity to sensory input. Child who appears to be deaf, whose hearing is normal, is under reactive. Child who is under reactive to sensory input may have a high tolerance to pain, may be clumsy, sensation-seeking, and may act aggressively. 116 |
| Hypotonia |
Hypotonia is a condition of abnormally low muscle tone (the amount of tension or resistance to movement in a muscle), often involving reduced muscle strength. 117 |
