Mental health and behavior

Altered genes or chromosomes may lead to conditions that impair a person's ability to think, remember, learn, or react to other people and the environment.

• acanthocytosis with neurologic disorder see chorea-acanthocytosis
• AD see Alzheimer disease
• Adrenoleukodystrophy see X-linked adrenoleukodystrophy
• Adrenomyeloneuropathy see X-linked adrenoleukodystrophy
• AGA deficiency see aspartylglucosaminuria
• ALD (Adrenoleukodystrophy) see X-linked adrenoleukodystrophy
• Allan-Herndon-Dudley syndrome
• Allan-Herndon syndrome see Allan-Herndon-Dudley syndrome
• Alzheimer disease
• Angelman syndrome
• AS see Angelman syndrome
• aspartylglucosamidase deficiency see aspartylglucosaminuria
• Aspartylglucosaminidase deficiency see aspartylglucosaminuria
• aspartylglucosaminuria
• Autism-Dementia-Ataxia-Loss of Purposeful Hand Use Syndrome see Rett syndrome
• autosomal dominant Opitz syndrome (ADOS) see Opitz G/BBB syndrome
• BDLS see Cornelia de Lange syndrome
• Beuren syndrome see Williams syndrome
• Brachmann-De Lange Syndrome see Cornelia de Lange syndrome
• CADASIL see cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy
• CDLS see Cornelia de Lange syndrome
• cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy
• Cerebroatrophic Hyperammonemia see Rett syndrome
• CHAC see chorea-acanthocytosis
• chorea-acanthocytosis
• Choreoacanthocytosis see chorea-acanthocytosis
• Choreoathetosis self-mutilation syndrome see Lesch-Nyhan syndrome
• chromosome 17p deletion syndrome see Smith-Magenis syndrome
• Chronic Motor and Vocal Tic Disorder see Tourette syndrome
• Complete HPRT deficiency see Lesch-Nyhan syndrome
• Complete hypoxanthine-guanine phosphoribosyltransferase deficiency see Lesch-Nyhan syndrome
• Cornelia de Lange syndrome
• Costello syndrome
• CRASH syndrome see L1 syndrome
• DAT see Alzheimer disease
• De Lange Syndrome see Cornelia de Lange syndrome
• deafness-dystonia-optic neuronopathy syndrome
• Deafness-dystonia syndrome see deafness-dystonia-optic neuronopathy syndrome
• Deficiency of guanine phosphoribosyltransferase see Lesch-Nyhan syndrome
• Deficiency of hypoxanthine phosphoribosyltransferase see Lesch-Nyhan syndrome
• 7-Dehydrocholesterol reductase deficiency see Smith-Lemli-Opitz syndrome
• deletion 17p syndrome see Smith-Magenis syndrome
• 22q11.2 deletion syndrome see Opitz G/BBB syndrome
• Down syndrome
• Elfin Facies Syndrome see Williams syndrome
• Elfin facies with hypercalcemia see Williams syndrome
• faciocutaneoskeletal syndrome see Costello syndrome
• familial Alzheimer disease (FAD) see Alzheimer disease
• familial Turner syndrome see Noonan syndrome
• Familial vascular leukoencephalopathy see cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy
• FCS syndrome see Costello syndrome
• Female Pseudo-Turner Syndrome see Noonan syndrome
• fra(X) syndrome see fragile X syndrome
• fragile X syndrome
• FRAXA Syndrome see fragile X syndrome
• FXS see fragile X syndrome
• Garland-Moorhouse syndrome see Marinesco-Sjögren syndrome
• Gilles de la Tourette Syndrome see Tourette syndrome
• glycosylasparaginase deficiency see aspartylglucosaminuria
• GTS see Tourette syndrome
• hereditary oligophrenic cerebello-lental degeneration see Marinesco-Sjögren syndrome
• Huntington disease
• Hypercalcemia-Supravalvar Aortic Stenosis see Williams syndrome
• hypertelorism-hypospadias sydrome see Opitz G/BBB syndrome
• hypertelorism with esophageal abnormalities and hypospadias see Opitz G/BBB syndrome
• hypoxanthine-guanine phosphoribosyltransferase (HGPRT) deficiency see Lesch-Nyhan syndrome
• Infantile hypercalcemia see Williams syndrome
• Inherited Human Transmissible Spongiform Encephalopathies see prion disease
• Juvenile gout, choreoathetosis, mental retardation syndrome see Lesch-Nyhan syndrome
• Juvenile hyperuricemia syndrome see Lesch-Nyhan syndrome
• L1 syndrome
• Lacunar Dementias see cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy
• Lesch-Nyhan syndrome
• LNS see Lesch-Nyhan syndrome
• Male Turner Syndrome see Noonan syndrome
• Marinesco-Garland syndrome see Marinesco-Sjögren syndrome
• Marinesco-Sjögren syndrome
• Marker X syndrome see fragile X syndrome
• Martin-Bell Syndrome see fragile X syndrome
• MASA syndrome see L1 syndrome
• McLeod neuroacanthocytosis syndrome
• mental retardation, X-linked, with hypotonia see Allan-Herndon-Dudley syndrome
• Mohr-Tranebjærg syndrome see deafness-dystonia-optic neuronopathy syndrome
• monocarboxylate transporter 8 (MCT8) deficiency see Allan-Herndon-Dudley syndrome
• 17p11.2 monosomy see Smith-Magenis syndrome
• MSS see Marinesco-Sjögren syndrome
• Multi-Infarct Dementia see cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy
• Neuroacanthocytosis see chorea-acanthocytosis
• Noonan syndrome
• Opitz G/BBB syndrome
• partial monosomy 17p see Smith-Magenis syndrome
• Prader-Labhart-Willi syndrome see Prader-Willi syndrome
• Prader-Willi syndrome
• Presenile and senile dementia see Alzheimer disease
• Primary hyperuricemia syndrome see Lesch-Nyhan syndrome
• Primary Senile Degenerative Dementia see Alzheimer disease
• prion disease
• Progressive Chorea, Chronic Hereditary (Huntington) see Huntington disease
• pseudo-Ullrich-Turner syndrome see Noonan syndrome
• PWS see Prader-Willi syndrome
• Rett syndrome
• RSH Syndrome see Smith-Lemli-Opitz syndrome
• RTS see Rett syndrome
• RTT see Rett syndrome
• Schilder-Addison Complex see X-linked adrenoleukodystrophy
• SDAT see Alzheimer disease
• SLO syndrome see Smith-Lemli-Opitz syndrome
• SLOS see Smith-Lemli-Opitz syndrome
• Smith-Lemli-Opitz syndrome
• Smith-Magenis syndrome
• SMS see Smith-Magenis syndrome
• SPG1 see L1 syndrome
• Supravalvar aortic stenosis syndrome see Williams syndrome
• 17p- syndrome see Smith-Magenis syndrome
• TD see Tourette syndrome
• Total HPRT deficiency see Lesch-Nyhan syndrome
• Total hypoxanthine-guanine phosphoribosyl transferase deficiency see Lesch-Nyhan syndrome
• Tourette syndrome
• Transmissible Dementias see prion disease
• Transmissible Spongiform Encephalopathies see prion disease
• triple X syndrome
• Triplo X syndrome see triple X syndrome
• Trisomy 21 see Down syndrome
• Trisomy X see triple X syndrome
• TS see Tourette syndrome
• TSEs see prion disease
• Turner-like syndrome see Noonan syndrome
• Turner syndrome in female with X chromosome see Noonan syndrome
• Turner's phenotype, karyotype normal see Noonan syndrome
• Ullrich-Noonan syndrome see Noonan syndrome
• WBS see Williams syndrome
• Williams syndrome
• WMS see Williams syndrome
• WS see Williams syndrome
• X-ALD see X-linked adrenoleukodystrophy
• X-linked adrenoleukodystrophy
• X-linked complicated hereditary spastic paraplegia type 1 see L1 syndrome
• X-linked corpus callosum agenesis see L1 syndrome
• X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS) see L1 syndrome
• X-linked hyperuricemia see Lesch-Nyhan syndrome
• X-linked mental retardation and macroorchidism see fragile X syndrome
• X-linked Opitz syndrome (XLOS) see Opitz G/BBB syndrome
• X-linked primary hyperuricemia see Lesch-Nyhan syndrome
• X-linked uric aciduria enzyme defect see Lesch-Nyhan syndrome
• 47,XX,+21 see Down syndrome
• 47,XXX see triple X syndrome
• XXX syndrome see triple X syndrome
• 47,XY,+21 see Down syndrome
• 47,XYY syndrome
• XYY Karyotype see 47,XYY syndrome
• XYY syndrome see 47,XYY syndrome
• YY syndrome see 47,XYY syndrome