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Involuntary, irregular muscle twitch
caused by sudden muscle contractions (positive myoclonus) or brief lapses of contraction (negative myoclonus). The most common circumstance under which they
Myoclonus
Medical condition
(myoclonus), as well as distortion of the body's orientation due to simultaneous activation of agonist and antagonist muscles (dystonia). Myoclonus dystonia
Myoclonic_dystonia
Medical condition
vegetative state due to myoclonus, and has a shortened life expectancy. The most common symptom of PME is myoclonus. The myoclonus can be fragmented or multifocal
Progressive myoclonus epilepsy
Progressive_myoclonus_epilepsy
Medical condition
Opsoclonus myoclonus syndrome (OMS), also known as opsoclonus-myoclonus-ataxia (OMA), is a rare neurological disorder of unknown cause which appears to
Opsoclonus_myoclonus_syndrome
Spasms of the palatal (roof of the mouth) muscles
associated with eye movements, it is known as oculopalatal myoclonus. Signs and symptoms of palatal myoclonus include: A rhythmic clicking sound in the ear due
Palatal_myoclonus
Involuntary twitching while falling asleep
moment. Hypnic jerks are one form of involuntary muscle twitches called myoclonus. Physically, hypnic jerks resemble the "jump" experienced by a person
Hypnic_jerk
Spasms of the middle ear muscles
differential diagnosis for MEM includes palatal myoclonus, pulsatile tinnitus, and subjective tinnitus. Palatal myoclonus is a condition which includes similar
Middle_ear_myoclonus
Mitochondrial disorder
category. The primary features displayed on a person with MERRF include myoclonus, seizures, cerebellar ataxia, myopathy, and ragged red fibers (RRF) on
MERRF_syndrome
Neurological disorder
rigidity and myoclonus, another variant of the condition, includes symptoms of SPS, with brainstem issues, autonomic disturbances, and myoclonus. In some
Stiff-person_syndrome
Medical condition
tremors/myoclonus. Some cases initially labeled as JME worsen unexpectedly. Lack of cortical reflex myoclonus findings and distinct myoclonus in early
Myoclonic_epilepsy
Medical condition
GOSR2-related progressive myoclonus ataxia, also known as Progressive myoclonic epilepsy type 6 is a rare genetic type of progressive myoclonus ataxia which is
GOSR2-related progressive myoclonus ataxia
GOSR2-related_progressive_myoclonus_ataxia
Genetic epilepsy disorder
and myoclonus. Levetiracetam is also effective for both generalised seizures and myoclonus. Clonazepam and high-dose piracetam can alleviate myoclonus. Phenytoin
Unverricht–Lundborg_disease
Sequela of hypoxic encephalopathy
of hypoxic encephalopathy. A condition that presents with functional myoclonus associated with increased cortical excitability in a few weeks. It was
Lance–Adams_syndrome
Sleep disorder
very similar to PLMS and could be misdiagnosed Excessive fragmentary myoclonus (EFM) events are shorter than PLMS PLMD is classified in the third edition
Periodic limb movement disorder
Periodic_limb_movement_disorder
Progressive neurodegenerative disease
Distinguishing symptoms and features Corticobasal syndrome Levodopa resistance, myoclonus, dystonia, corticosensory loss, alien limb phenomenon, apraxia, and non-fluent
Parkinson's_disease
Medical condition
Benign neonatal sleep myoclonus (BNSM) is the occurrence of myoclonus (jerky movements) during sleep. It is not associated with seizures. BNSM occurs
Benign neonatal sleep myoclonus
Benign_neonatal_sleep_myoclonus
Symptoms caused by an excess of serotonin in the central nervous system
consist of increased heart rate, shivering, sweating, dilated pupils, and myoclonus (intermittent jerking or twitching), as well as hyperreflexia (overresponsive
Serotonin_syndrome
Sudden movement or vocalization
be distinguished from movement disorders such as chorea, dystonia and myoclonus; the compulsions of obsessive–compulsive disorder (OCD) and seizure activity;
Tic
Chemical compound
drugs, prednisolone and chlorambucil. Rarely, it has been associated with myoclonus. List of hormonal cytostatic antineoplastic agents List of corticosteroid
Prednimustine
Chemical compound
is a drug that has efficacy in cognitive disorders, vertigo, cortical myoclonus, dyslexia, and sickle cell anemia; sources differ on its usefulness for
Piracetam
Group of cereal grain proteins
ocular signs of cerebellar dysfunction are common. Myoclonus, palatal tremor, and opsoclonus-myoclonus may also appear. Early diagnosis and treatment with
Gluten
Neurological movement disorder
P, Racacho L, Bulman DE (October 2002). "A novel locus for inherited myoclonus-dystonia on 18p11". Neurology. 59 (8): 1183–1186. doi:10.1212/WNL.59.8
Dystonia
Excessive movements due to basal ganglia dysfunction
seizures and myoclonus. Juvenile-onset DRPLA presents with ataxia and symptoms consistent with progressive myoclonus epilepsy (myoclonus, multiple seizure
Hyperkinesia
Medical condition
temporomandibular joint dysfunction. TTTS is commonly confused with middle ear myoclonus. Tonic Tensor Tympani Syndrome's existence has been debated by professionals
Tonic_tensor_tympani_syndrome
False perception of sound
patulous eustachian tube, otosclerosis, or middle ear myoclonus (e.g., stapedial or tensor tympani myoclonus). The most common inner ear cause of pulsatile tinnitus
Tinnitus
Terminal recessive genetic condition
her mother Linda recorded a video sharing a day in their life. From myoclonus to a feeding tube replacement, viewers can learn what it means to live
Lafora_disease
Type of progressive dementia
Spasmodic torticollis Meige's Blepharospasm Athetosis Chorea Choreoathetosis Myoclonus Myoclonic epilepsy Akathisia Tremor Essential tremor Intention tremor
Dementia_with_Lewy_bodies
Rare neurodegenerative disease
cell dysfunction.[citation needed] Spinal muscular atrophies Progressive myoclonus epilepsy Haliloglu, G.; Chattopadhyay, A.; Skorodis, L.; Manzur, A.; Mercuri
Spinal muscular atrophy with progressive myoclonic epilepsy
Spinal_muscular_atrophy_with_progressive_myoclonic_epilepsy
Medical condition
type 1 is a rare, degenerative, neurological disorder characterized by myoclonus epilepsy, intention tremor, progressive ataxia and occasionally cognitive
Ramsay_Hunt_syndrome_type_1
Anticonvulsant medication
pregabalin): depression, lethargy, agitation, anorgasmia, hallucinations, myoclonus, hypoaesthesia, hyperaesthesia, tachycardia, hypersalivation, hypoglycemia
Pregabalin
Emergent abnormal pattern of breathing
gasping labored breathing and is accompanied by strange vocalizations and myoclonus. Possible causes include cerebral ischemia, hypoxia (inadequate oxygen
Agonal_respiration
Medical condition
burst neurons in the pons. It frequently occurs along with myoclonus in opsoclonus myoclonus syndrome. Clonus Migraine Epilepsy Pathologic nystagmus Physiologic
Opsoclonus
Factors causing Parkinson's disease
disease;aggressive course; can develop cognitive dysfunction, autonomic failure, and myoclonus LBs and Lewy neurites; ± glial inclusions; hippocampal CA2 and CA3 loss
Causes_of_Parkinson's_disease
Medical condition
examination disclosed diffuse muscle twitching and spontaneous and reflex myoclonus, slight muscle atrophy in the limbs, absence of tendon reflexes in the
Morvan's_syndrome
Paralysis of all four limbs and torso
movement in the affected areas. One of the main causes for this would be myoclonus, or muscle spasms. "After a spinal cord injury, the normal flow of signals
Tetraplegia
Opioid medication used for pain relief
hydromorphone has been associated with neuroexcitatory symptoms such as tremor, myoclonus, agitation, and cognitive dysfunction. This toxicity is less than that
Hydromorphone
Gamma-aminobutyric acid analog
indicate that it may cause anorgasmia and erectile dysfunction, as well as myoclonus that disappear after discontinuing gabapentin or replacing it with other
Gabapentin
Medical condition
phenomenon, frontal deficits, and extrapyramidal motor symptoms such as myoclonus or rigidity. Movement deficits often begin on one side and progress to
Corticobasal_syndrome
Medical condition
or encephalitis, and is drug-resistant.[citation needed] Generalized myoclonus is commonly seen in comatose people following cardiopulmonary resuscitation
Status_epilepticus
Topics referred to by the same term
certification system Progressive encephalomyelitis with rigidity and myoclonus, a subtype of stiff-person syndrome, a neurological disorder P.E.R.M.
Perm
Unrelated neurological syndromes
Three different neurological syndromes carry the name of Ramsay Hunt syndrome. Their only connection is that they were all first documented by the famous
Ramsay_Hunt_syndrome
Type of a reflex seizure
occur, including oral area myoclonus, especially affecting masseter muscle, orbicularis oris muscle, oral and perioral myoclonus. Extremities can be affected
Reading_epilepsy
Degenerative neurological disorder
dementia, leading to memory loss, personality changes, and hallucinations. Myoclonus (jerky movements) typically occurs in 90% of cases, but may be absent
Creutzfeldt–Jakob_disease
Neuroimaging technique
LLVS. Photic stimulation may also be used to elicit myoclonus, especially cortical reflex myoclonus when present in photo-sensitive forms. IPS may be used
Intermittent photic stimulation
Intermittent_photic_stimulation
Medical condition
Spasmodic torticollis Meige's Blepharospasm Athetosis Chorea Choreoathetosis Myoclonus Myoclonic epilepsy Akathisia Tremor Essential tremor Intention tremor
Cortical_blindness
Medical condition
PRICKLE1-related progressive myoclonus epilepsy with ataxia is a very rare genetic disorder which is characterized by myoclonic epilepsy and ataxia. Ataxia
PRICKLE1-related progressive myoclonus epilepsy with ataxia
PRICKLE1-related_progressive_myoclonus_epilepsy_with_ataxia
Medical disorder
generalized tonic-clonic, atonic, myoclonic seizures, bilateral eyelid myoclonus, gelastic seizures) Atypical childhood epilepsy with centrotemporal spikes
GRIN_disorder
Former psychiatric diagnosis
Psychogenic non-epileptic seizures or convulsions Persistent dystonia Tremor, myoclonus or other movement disorders Gait problems (astasia-abasia) Loss of consciousness
Conversion_disorder
Species of plant
muscle spasms, muscle and bone pain, increased yawning and/or sneezing, myoclonus, watery eyes, hot flashes, fever, diarrhea, restlessness, anger, and sadness
Mitragyna_speciosa
Medical condition
Spasmodic torticollis Meige's Blepharospasm Athetosis Chorea Choreoathetosis Myoclonus Myoclonic epilepsy Akathisia Tremor Essential tremor Intention tremor
Synucleinopathy
Medical condition
gives it the colloquial name "flapping tremor" although it is a negative myoclonus rather than a tremor. The disorder is caused by abnormal function of the
Asterixis
Medical condition
Headache Visual impairment, blurred vision Tinnitus Urinary incontinence Myoclonus Complications Hemorrhagic stroke, cardiomegaly Diagnostic method Medical
Dural_arteriovenous_fistula
Substance derived from opium
associated with neurotoxic side effects such as hyperalgesia, allodynia and myoclonus. Oxymorphone is a congener of morphine. It is metabolized to 6-hydroxy-oxymorphone
Opiate
Syndrome caused by a dangerous level of a toxin
flushing, hallucinations, ileus, memory loss, mydriasis (dilated pupils), myoclonus, psychosis, seizures and urinary retention. Complications include hypertension
Toxidrome
Involuntary contraction of a muscle, organ or orifice
Cricopharyngeal spasm Ejaculation Epileptic seizure Jactitation (medicine) Myoclonus Neck spasm Orgasm Spasmodic dysphonia Spasticity Tremor Dorland's medical
Spasm
Medical condition
dyskinesia, non-epileptic myoclonus). Hyperekplexia. Migraine and migraine-associated disorders. TIAs Opsoclonus myoclonus syndrome. Hypoglycemia. NES
Non-epileptic_seizure
Visual impairment caused by a brain problem
Spasmodic torticollis Meige's Blepharospasm Athetosis Chorea Choreoathetosis Myoclonus Myoclonic epilepsy Akathisia Tremor Essential tremor Intention tremor
Cortical_visual_impairment
Medical condition
such as miosis, anhidrosis and partial ptosis.[citation needed] Palatal myoclonus, the twitching of the muscles of the mouth, may be observed due to disruption
Lateral_medullary_syndrome
Inflammation of the brain and spinal cord
of brain inflammation. Progressive encephalomyelitis with rigidity and myoclonus (PERM) – A kind of stiff person syndrome. AIDS-related encephalomyelitis
Encephalomyelitis
Medical condition
Infants often develop sudden involuntary muscle contractions (called myoclonus) and have red spots in their eyes (cherry red spots). They are often unable
Sialidosis
Involuntary contraction of the diaphragm
E. C. (1999). "Hiccup and apparent myoclonus after hydrocodone: review of the opiate-related hiccup and myoclonus literature". Clinical Neuropharmacology
Hiccup
Chemical compound
resulting in a range of toxic effects, mainly convulsions, but also myoclonus and hyponatremia. These complications can be serious and have sometimes
Norpethidine
Progressive neurological disease
Intellectual disability 19q SCA14 (PRKCG) 28 yrs (12–42) Decades (1–30) Myoclonus (a sudden twitching of muscles or parts of muscles, without any rhythm
Spinocerebellar_ataxia
Human neurodegenerative disease
the disease may mimic spinocerebellar ataxias in the beginning stages. Myoclonus (spasmodic muscle contraction) is less frequently seen than in Creutzfeldt–Jakob
Gerstmann–Sträussler–Scheinker syndrome
Gerstmann–Sträussler–Scheinker_syndrome
Medical condition
Spasmodic torticollis Meige's Blepharospasm Athetosis Chorea Choreoathetosis Myoclonus Myoclonic epilepsy Akathisia Tremor Essential tremor Intention tremor
Restless_legs_syndrome
Inherited neurodegenerative disease
unusual in that, unlike other prion diseases, it does not present with myoclonus or ataxia. Instead, the initial presentation involves anxiety, depression
Familial Alzheimer-like prion disease
Familial_Alzheimer-like_prion_disease
Topics referred to by the same term
qualification in Ireland. Progressive myoclonus epilepsies, a group of neurodegenerative diseases characterized by myoclonus (erratic muscle twitching) Public
PME
Group of brain diseases induced by prions
coordination and/or an unsteady gait (ataxia) Involuntary jerking movements (myoclonus). Unusual sensations, insomnia, and confusion Prion diseases typically
Transmissible spongiform encephalopathy
Transmissible_spongiform_encephalopathy
Protein-coding gene in the species Homo sapiens
familial cortical myoclonus. A study done in 2012 by J. Russell et. al observed 11 members of a Canadian Mennonite family suffering myoclonus. They observed
NOL3
Benzodiazepine medication
P, Pratt JA, Marsden CD (1986). "Mechanism of action of clonazepam in myoclonus in relation to effects on GABA and 5-HT". Advances in Neurology. 43: 629–643
Clonazepam
Neurodevelopmental disorder involving motor and vocal tics
syndrome. The abnormal movements associated with choreas, dystonias, myoclonus, and dyskinesias are distinct from the tics of Tourette's in that they
Tourette_syndrome
Medical condition
supranuclear gaze palsy, both lower and upper motor neuron dysfunction, myoclonus, postural and action tremors, eyelid closing and opening apraxia, dysphagia
Frontotemporal dementia and parkinsonism linked to chromosome 17
Frontotemporal_dementia_and_parkinsonism_linked_to_chromosome_17
Medical condition
resistant seizures (epilepsy), apraxia, development of muscle twitches (myoclonus), and vision impairment. This late-infantile form of the disease progresses
Jansky–Bielschowsky_disease
Rare neurodegenerative disease
Spasmodic torticollis Meige's Blepharospasm Athetosis Chorea Choreoathetosis Myoclonus Myoclonic epilepsy Akathisia Tremor Essential tremor Intention tremor
ALS
Motor feedback circuit of the brainstem
circuit may produce palatal myoclonus, one of the few involuntary movements that do not disappear during sleep. Palatal myoclonus may be seen as a component
Myoclonic_triangle
Degenerative brain disease caused by prions
least two of the following five neurologic signs: poor coordination, myoclonus, chorea, hyperreflexia, or visual signs. (If persistent painful sensory
Variant Creutzfeldt–Jakob disease
Variant_Creutzfeldt–Jakob_disease
Most common epilepsy syndrome in childhood, usually subsiding with age
left, and I could not speak to say what was happening to me. Negative myoclonus can be observed in some cases, as an interruption of tonic muscular activity
Rolandic_epilepsy
Herbal tea made out of poppy straw or poppy seeds
somewhat more codeine. When ingested, thebaine causes nausea, vomiting, and myoclonus. Thebaine is an important precursor for manufacture of pharmaceuticals
Poppy_tea
Abnormal sensory perception during sleep
accurately. Hypnic jerk – Involuntary twitching while falling asleep Myoclonus – Involuntary, irregular muscle twitch Periodic limb movement disorder –
Exploding_head_syndrome
Class of drug
headache, urinary retention, ureteric or biliary spasm, muscle rigidity, myoclonus (with high doses), and flushing (due to histamine release, except fentanyl
Opioid
Set of involuntary and rhythmic muscular contractions and relaxations
to describe induction of clonus as a key element of Balinese ritual. Myoclonus Generalized tonic–clonic seizure Stretch reflex Tetany Tetanic contractions
Clonus
Tic disorder sensory phenomenon
stereotyped movements of other movement disorders such as choreas, dystonias, myoclonus, and dyskinesias, the tics of Tourette's are temporarily suppressible
Premonitory_urge
Disorder impairing normal brain function
seizures or faints Movement disorders including tremors, dystonia (spasms), myoclonus (jerky movements) Visual symptoms including loss of vision or double vision
Functional neurological symptom disorder
Functional_neurological_symptom_disorder
Bodily function in response to cold and extreme fear
thermoregulatory processes in different individuals with ageing. Goose bumps Myoclonus Post-micturition convulsion syndrome Chattering teeth Tremor Hemingway
Shivering
Spontaneous, involuntary muscle twitch
Blepharospasm Carnitine palmitoyltransferase II deficiency Myokymia Fibrillation Myoclonus Seizure and convulsion Tremor Twitch (disambiguation) Blackman G, Cherfi
Fasciculation
Medical condition
respiration and speech. During an attack-free period, stimulus-insensitive myoclonus can occur in the arms, legs, and neck. Diarrhea occurs in the first 2–3
Satoyoshi_syndrome
Medical intervention
only; it does not provide pain relief. Side effects of etomidate include myoclonus (involuntary muscle jerking) and respiratory depression. One of the major
Procedural sedation and analgesia
Procedural_sedation_and_analgesia
Fluoroquinolone antibiotic
disorders. In this context, ciprofloxacin is especially associated with myoclonus, which derives the term "ciproclonus." Ciprofloxacin is active in six
Ciprofloxacin
Medical effects of tumors besides mass effect
encephalomyelitis, limbic encephalitis, brainstem encephalitis, opsoclonus myoclonus ataxia syndrome, anti-NMDA receptor encephalitis, and polymyositis. The
Paraneoplastic_syndrome
Medical condition
this disease are respiratory failure, hepatosplenomegaly, poor feeding, myoclonus, hyperkinetic movements, clonic seizures, leukodystrophy, hypotonia, abnormality
Combined_saposin_deficiency
One of three major types of muscle
dysfunction. Symptoms of muscle diseases may include weakness, spasticity, myoclonus and myalgia. Diagnostic procedures that may reveal muscular disorders
Skeletal_muscle
Medical condition causing seizures
people with JME had all seizure types resolved, and 13% only experienced myoclonus despite having discontinued medication, meaning that approximately a third
Juvenile_myoclonic_epilepsy
Myelinoclastic diffuse sclerosis Myoclonic Encephalopathy of infants Myoclonus Myopathy Myotonia congenita Myotubular myopathy Narcolepsy Neuralgia Neuro-Behçet's
List of neurological conditions and disorders
List_of_neurological_conditions_and_disorders
American neurologist
sclerosis. In 1949, together with Joseph Michael Foley he described negative myoclonus and in 1953 they coined the term asterixis. In 1959, Adams and colleagues
Raymond_Delacy_Adams
Genetic bile acid metabolism disorder
include Parkinsonism, epilepsy, dystonia, progressive ataxia, palatal myoclonus, intellectual disability, dementia, and psychiatric symptoms. CTX often
Cerebrotendinous xanthomatosis
Cerebrotendinous_xanthomatosis
Psychiatric behavioural syndrome
serotonergic drugs (ex: SSRI); features include delirium, hyperreflexia, myoclonus, GI symptoms (N/V/D), autonomic instability, hyperthermia, and rigidity
Catatonia
Coding resource for sleep and sleep-related disorders
Sleep-related rhythmic movement disorder Benign sleep myoclonus of infancy Propriospinal myoclonus at sleep onset Sleep-related movement disorder due to
International Classification of Sleep Disorders
International_Classification_of_Sleep_Disorders
progressive familial epilepsy Myoclonus ataxia Myoclonus cerebellar ataxia deafness Myoclonus epilepsy partial seizure Myoclonus hereditary progressive distal
List_of_diseases_(M)
Peripheral serotonin antagonist
centrally mediated effects like increased corticosterone secretion or myoclonus. BW-501C67 and analogues were patented for use in combination with serotonin
BW-501C67
Medical condition
Features reported in these families, including dystonia, tremor, and myoclonus, led researchers to question whether BHC actually represents different
Benign_hereditary_chorea
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