ʻO ka maʻi Rett kahi ka maʻi maʻi laʻa e hoʻopilikia i ka ulu ʻana a me ka oʻo ʻana o ka lolo. Hōʻike ia iā ia iho ma nā pēpē a me nā kamaliʻi, kokoke wale ma waena kaikamahine.

Hōʻike ke keiki me ka maʻi Rett i ka hoʻomohala maʻamau i ka wā mua o ke ola. Hōʻike nā hōʻailona mua ma waena 6 a me 18 mau mahina. Loaʻa nā pilikia me nā keiki me ka maʻi nā hoʻoikaika, ʻike a kamaʻilio pili i ko lākou hiki ke ʻōlelo, hele a hoʻohana i ko lākou mau lima. A laila ʻōlelo mākou no polyhandicap.

He hoʻohālikelike hou no nā maʻi hoʻomohala pervasive (PDD).

ʻOiai ʻo Rett syndrome kahi maʻi maʻi genetika, he ʻāpana ia o nā maʻi hoʻomohala pervasive (PDD). Ma ka paʻi hou aʻe (2013 e hiki mai ana) o ka Diagnostic and Statistical Manual of Mental Disorders (DSM-V), ua hāʻawi ka American Psychiatric Association (APA) i kahi papa inoa hou no PDD. E hui pū ʻia nā ʻano like ʻole o ka autism i kahi ʻano i kapa ʻia ʻo "Autism Spectrum Disorders". No laila e manaʻo ʻia ʻo Rett Syndrome he maʻi genetic kaʻawale loa.