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173 Possible Causes for Focal Dystonia - Upper Limb, Photoparoxysmal Response

  • Benign Adult Familial Myoclonic Epilepsy

    The most common signs and symptoms in descending order are: asymmetric limb rigidity (100%), upper limb apraxia (91%), gait difficulties (89%), stimulation-sensitive focal[neuroweb.us] Photoparoxysmal responses (PPR) were noted in 18 (95%) patients with BAFME but 1 (10%) with EGTCS.[ncbi.nlm.nih.gov] Response 3 progressive myoclonus epilepsy Spastic Paraplegia with Myoclonic Epilepsy[rgd.mcw.edu]

  • Juvenile Myoclonic Epilepsy

    responses (PPRs).[ncbi.nlm.nih.gov] PURPOSE: Juvenile myoclonic epilepsy (JME) is commonly associated with photoparoxysmal response (PPR) with a reported prevalence of 25-42%.[ncbi.nlm.nih.gov] Photic stimulation disclosed a marked photoparoxysmal response, sometimes associated with myoclonic jerks.[ncbi.nlm.nih.gov]

    Missing: Focal Dystonia - Upper Limb
  • Photosensitive Epilepsy

    A flashing strobe light, for example, can trigger a photoparoxysmal response in a predisposed individual.[mdedge.com] The second patient's photoparoxysmal response was suppressed by both parallel-polarized and blue cross-polarized glasses, whereas the third patient's photoparoxysmal response[ncbi.nlm.nih.gov] Methods Seven participants with a photoparoxysmal response to intermittent photic stimulation (IPS) at baseline were randomized in a double-blind, 4-period cross-over study[n.neurology.org]

    Missing: Focal Dystonia - Upper Limb
  • Idiopathic Generalized Epilepsy

    Other characteristic EEG features include polyspikes, polyspike-wave discharges, occipital intermittent rhythmic delta activity, and photoparoxysmal response.[ncbi.nlm.nih.gov] PURPOSE: Photosensitivity or photoparoxysmal response (PPR) is an electroencephalography trait that is highly associated with idiopathic generalized epilepsies (IGEs) and[ncbi.nlm.nih.gov] METHODS: We studied 15 photosensitive IGE patients showing a photoparoxysmal response (PPR) to IPS at 20Hz.[ncbi.nlm.nih.gov]

    Missing: Focal Dystonia - Upper Limb
  • Progressive Myoclonic Epilepsy Type 8

    With doses of up to 10 g/day, elimination of photoparoxysmal responses was achieved in all 3 patients.[karger.com] response Negative 6 and 20 Hz provoked a photoparoxysmal response Negative Brain MRI Mild atrophy of the cerebellum and brainstem Not available Not available Not available[onlinelibrary.wiley.com] responses in 3 patients with progressive myoclonus epilepsy.[karger.com]

    Missing: Focal Dystonia - Upper Limb
  • Temporal Lobe Epilepsy

    Contralateral upper limb dystonia may develop and head and eye version to the contralateral side can occur.[epilepsydiagnosis.org] Berardelli , The Photoparoxysmal Response Reflects Abnormal Early Visuomotor Integration in the Human Motor Cortex , Brain Stimulation , 8 , 6 , (1151) , (2015) .[doi.org] Lateral temporal lobe seizures may spread and motor features such as contralateral upper limb dystonia, facial twitching or grimacing, and head and eye version may occur.[epilepsydiagnosis.org]

  • Late-Infantile Neuronal Ceroid Lipofuscinosis

    […] with a photoparoxysmal response associated with other epilepsy syndromes.[ncbi.nlm.nih.gov] EEGs revealed a photoparoxysmal response (PPR) on intermittent photic stimulation in 93% (13 of 14) of patients.[ncbi.nlm.nih.gov] Unique Characteristics of the photoparoxysmal response in patients with neuronal ceroid lipofuscinosis type 2: can EEG be a biomarker? J Child Neurol. 2016;31:1475-1482.[cln2connection.com]

    Missing: Focal Dystonia - Upper Limb
  • Unverricht-Lundborg Syndrome

    Background activity kept stable during the course of the disease; generalized paroxysmal discharges and photoparoxysmal response gradually disappeared with a significant difference[moh-it.pure.elsevier.com] GLOSSARY ANOVA analysis of variance ; KM Kaplan-Meier ; PHT phenytoin ; PME progressive myoclonus epilepsy ; PPR photoparoxysmal responses ; PSW polyspikes and waves ; SSEP[n.neurology.org] Left: marked photosensitivity with generalized photoparoxysmal response (PPR). Right: normal background activity, no PPR.[onlinelibrary.wiley.com]

    Missing: Focal Dystonia - Upper Limb
  • Tonic-Clonic Seizure

    Before seizure onset, IPS consistently induced generalized photoparoxysmal responses (PPRs).[ncbi.nlm.nih.gov]

    Missing: Focal Dystonia - Upper Limb
  • Progressive Myoclonic Epilepsy Type 7

    Intermittent light stimulation generated a photoparoxysmal response at low frequencies. Epileptic activity did not increase during stages of drowsiness.[elsevier.es] PER was quite effective in suppressing photoparoxysmal response in these patients.[ncbi.nlm.nih.gov] Paroxysms caused by intermittent light stimulation grow more frequent and gradually become continuous; photoparoxysmal response is typical at low frequencies. 7 Unlike in[elsevier.es]

    Missing: Focal Dystonia - Upper Limb

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