Rett Syndrome yog ib tsis tshua muaj kab mob caj ces uas cuam tshuam txoj kev loj hlob thiab kev loj hlob ntawm lub hlwb. Nws manifests nws tus kheej nyob rau hauv cov me nyuam thiab cov me nyuam me, yuav luag tshwj xeeb ntawm hluas nkauj.

Ib tug me nyuam uas muaj Rett syndrome qhia tau hais tias kev loj hlob zoo thaum ntxov hauv lub neej. Thawj cov tsos mob tshwm sim ntawm 6 thiab 18 hlis. Cov menyuam yaus uas muaj tus kab mob no maj mam muaj teeb meem nrog taw, kev sib koom tes thiab kev sib txuas lus uas cuam tshuam rau lawv lub peev xwm hais lus, taug kev thiab siv lawv txhais tes. Peb mam li tham txog polyhandicap.

Ib qho kev faib tawm tshiab rau kev loj hlob tsis zoo (PDD).

Txawm hais tias Rett syndrome yog ib qho caj ces mob, nws yog ib feem ntawm kev loj hlob tsis zoo (PDD). Hauv tsab ntawv tshaj tawm tom ntej (tom ntej 2013) ntawm Diagnostic and Statistical Manual of Mental Disorders (DSM-V), American Psychiatric Association (APA) tau tshaj tawm qhov kev faib tawm tshiab rau PDD. Cov ntawv sib txawv ntawm kev puas siab puas ntsws yuav muab faib ua ib pawg hu ua "Autism Spectrum Disorders". Yog li ntawd, Rett Syndrome yuav suav hais tias yog ib hom kab mob uas tsis tshua muaj caj ces uas yog cais kiag li.