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Kleine–Levin syndrome. Kleine–Levin syndrome ( KLS) is a rare neurological disorder characterized by persistent episodic hypersomnia accompanied by cognitive and behavioral changes. These changes may include disinhibition, sometimes manifested through hypersexuality, hyperphagia or emotional lability, and other symptoms, such as derealization.
[3] Micrograph showing chorionic vili, the tissue that is collected with chorionic villus sampling and used to test for SLOS. Amniocentesis (process of sampling amniotic fluid) and chorionic villus sampling cannot be performed until approximately 3 months into the pregnancy. Given that SLOS is a very severe syndrome, parents may want to choose ...
Infant sleep training. Sleep training (sometimes known as sleep coaching) is a set of parental (or caregiver) intervention techniques with the end goal of increasing nightly sleep in infants and young children, addressing “sleep concerns”, and decreasing nightime signalling. Although the diagnostic criteria for sleep issues in infants is ...
1 in 8,500 females [ 4] Lethal in males, with rare exceptions. Rett syndrome ( RTT) is a genetic disorder that typically becomes apparent after 6–18 months of age and almost exclusively in females. [ 4] Symptoms include impairments in language and coordination, and repetitive movements. [ 4]
Opsoclonus myoclonus syndrome. Opsoclonus myoclonus syndrome ( OMS ), also known as opsoclonus-myoclonus-ataxia (OMA), is a rare neurological disorder of unknown cause which appears to be the result of an autoimmune process involving the nervous system. It is an extremely rare condition, affecting as few as 1 in 10,000,000 people per year.
Idiopathic hypersomnia (IH) is a neurological disorder which is characterized primarily by excessive sleep and excessive daytime sleepiness (EDS). [ 1] Idiopathic hypersomnia was first described by Bedrich Roth in 1976, and it can be divided into two forms: polysymptomatic and monosymptomatic. [ 2][ 3] The condition typically becomes evident in ...
Rapid eye movement behavior disorder occurs when there is a loss of normal voluntary muscle atonia during REM sleep resulting in motor behavior in response to dream content. It can be caused by adverse reactions to certain drugs or during drug withdrawal; however, it is most often associated with the elderly and in those with neurodegenerative ...
Psychosis is a condition of the mind or psyche that results in difficulties determining what is real and what is not real. [ 3] Symptoms may include delusions and hallucinations, among other features. [ 3] Additional symptoms are incoherent speech and behavior that is inappropriate for a given situation. [ 3]