Axis is a feature of handwritten spirals in essential tremor

1. Altafullah I, Pascual-Leone A, Duvall K, Anderson DC, Taylor S. Putaminal hemorrhage accompanied by hemichorea–hemiballism. Stroke 1990;21:1093–1094. 2. Fukui T, Hasegawa Y, Seriyama S, Takeuchi T, Sugita K, Tsukagoshi T. Hemiballism–hemichorea induced by subcortical ischemia. Can J Neurol Sci 1993;20:324–328. 3. Saris S. Chorea caused by caudate infarction. Arch Neurol 1983; 40:590–591. 4. Vidakovic A, Dragasevic N, Kostic VS. Hemiballism: report of 25 cases. J Neurol Neurosurg Psychiatry 1994;57:945–949. 5. Shintani S, Shiozawa Z, Tsunoda S, Shiigai T. Paroxysmal choreoathetosis precipitated by movement, sound and photic stimulation in a case of artero-venous malformation in the parietal lobe. Clin Neurol Neurosurg 1991;93:237–239. 6. Lin JJ, Chang MK. Hemiballism–hemichorea and non-ketotic hyperglycemia. J Neurol Neurosurg Psychiatry 1994;57:748–750. 7. Hefter H, Mayer P, Benecke R. Persistent chorea after recurrent hypoglycemia. Eur Neurol 1993;33:244–247. 8. Salama J, Gray F, Kemeny JL, Gherardi R, Delaporte P. Hemiballismus and metastasis to the Luys’ body: an anatomo–clinical case. Rev Neurol Paris 1986;142:556–558. 9. Kalita J, Ranjan P, Misra UK, Das BK. Hemichorea: a rare presentation of tuberculoma. J Neurol Sci 2003;208:109–111. 10. Delaporte P, Salama J, Amarenco P. Subthalamic tuberculoma disclosed by hemiballism: efficacy of antituberculous treatment. Ann Med Intern (Paris) 1983;134:728–731. 11. Garretto NS, Bueri JA, Kremenchutzky M, Cansalvo D, Segura M, Genovese O. Hemichorea associated with cerebral toxoplasmosis and AIDS. Arch Neuropsychiatry 1995;53:118–122. 12. Namer IJ, Tan E, Akalin E, Selekler K, Zileli T. A case of hemiballismus during cryptococcal meningitis. Rev Neurol Paris 1990;146:153–154. 13. Tam LS, Cohen MG, Li EK. Hemiballismus in systemic lupus erythematosus: possible association with antiphospholipid antibodies. Lupus 1995;4:67–69. 14. Verma A, Solbrig MV. Bacterial infections/infections of the nervous system. In: Bradley WG, Daroff RB, Fenichel GM, Marsden CG, editors. Neurology in Clinical Practice, 4th ed. Philadelphia, PA: Butterworth Heinemann; 2004. p 1492. 15. Sklar EML, Ruiz A, Quencer RM, et al. Structural neuroimaging/ neuroimaging. In: Bradley WG, Daroff RB, Fenichel GM, Marsden CG, editors. Neurology in Clinical Practice, 4th ed. Philadelphia, PA: Butterworth Heinemnn; 2004. p 560. Axis Is a Feature of Handwritten Spirals in Essential Tremor

[1]  S. Saris.  Chorea caused by caudate infarction. , 1983, Archives of neurology.

[2]  Á. Pascual-Leone,et al.  Putaminal hemorrhage accompanied by hemichorea-hemiballism. , 1990, Stroke.

[3]  Elan D Louis,et al.  Association between essential tremor and blood lead concentration. , 2003, Environmental health perspectives.

[4]  I. Namer,et al.  [A case of hemiballismus during cryptococcal meningitis]. , 1990, Revue neurologique.

[5]  R. Gherardi,et al.  [Hemiballismus and metastasis to the Luys' body. An anatomo-clinical case]. , 1986, Revue neurologique.

[6]  Macdonald Critchley,et al.  OBSERVATIONS ON ESSENTIAL (HEREDOFAMILIAL) TREMOR , 1949 .

[7]  P. Amarenco,et al.  [Subthalamic tuberculoma disclosed by hemiballism. Efficacy of antituberculous treatment]. , 1983, Annales de medecine interne.

[8]  K. C. Brennan,et al.  Is essential tremor predominantly a kinetic or a postural tremor? A clinical and electrophysiological study , 2002, Movement disorders : official journal of the Movement Disorder Society.

[9]  S. Novis,et al.  [Hemichorea associated with cerebral toxoplasmosis and AIDS]. , 1995, Arquivos de neuro-psiquiatria.

[10]  S. Pullman.  Advances in behavioral biology, the basal ganglia V. Edited by Chihiro Oyhe, Minoru Kimura, and John S. McKenzie. New York, NY: Plenum Press, 1996. Price: $139.50 US. ISBN 0‐306‐45386‐X , 1998 .

[11]  T. Larsson,et al.  Essential tremor: a clinical and genetic population study. , 1960, Acta psychiatrica Scandinavica. Supplementum.

[12]  J. Kalita,et al.  Hemichorea: a rare presentation of tuberculoma , 2003, Journal of the Neurological Sciences.

[13]  L. Tam,et al.  Hemiballismus in systemic lupus erythematosus: possible association with antiphospholipid antibodies , 1995, Lupus.

[14]  S L Pullman,et al.  Spiral Analysis: A New Technique for Measuring Tremor With a Digitizing Tablet , 2008, Movement disorders : official journal of the Movement Disorder Society.

[15]  V. Kostic,et al.  Hemiballism: report of 25 cases. , 1994, Journal of neurology, neurosurgery, and psychiatry.

[16]  H. Tsukagoshi,et al.  Hemiballism-hemichorea induced by subcortical ischemia. , 1993, The Canadian journal of neurological sciences. Le journal canadien des sciences neurologiques.

[17]  S. Shintani,et al.  Paroxysmal choreoathetosis precipitated by movement, sound and photic stimulation in a case of arterio-venous malformation in the parietal lobe , 1991, Clinical Neurology and Neurosurgery.

[18]  Juei-Jueng Lin,et al.  Hemiballism-hemichorea and non-ketotic hyperglycaemia. , 1994, Journal of neurology, neurosurgery, and psychiatry.