A Chakravarty

Summary

Publications

  1. doi request reprint Mona Lisa's smile: a hypothesis based on a new principle of art neuroscience
    Ambar Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Science, Calcutta, India
    Med Hypotheses 75:69-72. 2010
  2. ncbi request reprint Sporadic hemiplegic migraine
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, KPC Medical College Kolkata, India
    Indian Pediatr 49:150-1. 2012
  3. doi request reprint Hemifacial spasm, glossodynia, and dolichoectasia of the basilar artery
    Ambar Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Science, Calcutta, India
    J Stroke Cerebrovasc Dis 21:78-81. 2012
  4. ncbi request reprint Chronic daily headache in children and adolescents: a clinic based study from India
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, 59 Beadon Street, Calcutta 700006, India
    Cephalalgia 25:795-800. 2005
  5. ncbi request reprint Primary headaches associated with sexual activity--some observations in Indian patients
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Calcutta, India
    Cephalalgia 26:202-7. 2006
  6. ncbi request reprint Observations on juvenile myoclonic epilepsy amongst ethnic Bengalees in West Bengal--an Eastern Indian State
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Calcutta, India
    Seizure 16:134-41. 2007
  7. ncbi request reprint Migraine pain location at onset and during established headaches in children and adolescents: a clinic-based study from eastern India
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, 59 Beadon Street, Calcutta 700 006, India
    Cephalalgia 27:1109-14. 2007
  8. doi request reprint Exploding head syndrome: report of two new cases
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Calcutta, India
    Cephalalgia 28:399-400. 2008
  9. pmc Migraine pain location: how do children differ from adults?
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Science, Calcutta, India
    J Headache Pain 9:375-9. 2008
  10. doi request reprint Artistic talent in dyslexia--a hypothesis
    Ambar Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Kolkata 700026, India
    Med Hypotheses 73:569-71. 2009

Collaborators

Detail Information

Publications36

  1. doi request reprint Mona Lisa's smile: a hypothesis based on a new principle of art neuroscience
    Ambar Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Science, Calcutta, India
    Med Hypotheses 75:69-72. 2010
    ..The author hypothesizes that the great painter Leonardo da Vinci very intelligently painted the angles of the mouth of Mona Lisa's face to evoke this illusion of movement (smile) to increase the aesthetic value of this great work of art...
  2. ncbi request reprint Sporadic hemiplegic migraine
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, KPC Medical College Kolkata, India
    Indian Pediatr 49:150-1. 2012
    ..The differential diagnoses are discussed. The case is reported for its rarity and to increase awareness...
  3. doi request reprint Hemifacial spasm, glossodynia, and dolichoectasia of the basilar artery
    Ambar Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Science, Calcutta, India
    J Stroke Cerebrovasc Dis 21:78-81. 2012
    ..It is suggested that the neurologic symptoms most likely resulted from pontine compression, rather than from any compression of the cranial nerves...
  4. ncbi request reprint Chronic daily headache in children and adolescents: a clinic based study from India
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, 59 Beadon Street, Calcutta 700006, India
    Cephalalgia 25:795-800. 2005
    ..There is need for a modified diagnostic criteria and terminology for chronic primary headaches in children...
  5. ncbi request reprint Primary headaches associated with sexual activity--some observations in Indian patients
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Calcutta, India
    Cephalalgia 26:202-7. 2006
    ..Occurrence of sexual headaches in both male and female subjects had been unpredictable. Few had associated migraine and none ever experienced exertional headache...
  6. ncbi request reprint Observations on juvenile myoclonic epilepsy amongst ethnic Bengalees in West Bengal--an Eastern Indian State
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Calcutta, India
    Seizure 16:134-41. 2007
    ..However, no study has yet been reported from the Eastern part of India and none done so far in patients in a specific ethnic group. Furthermore therapy response and follow up data are not available in detail in the Indian studies...
  7. ncbi request reprint Migraine pain location at onset and during established headaches in children and adolescents: a clinic-based study from eastern India
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, 59 Beadon Street, Calcutta 700 006, India
    Cephalalgia 27:1109-14. 2007
    ..In all, 73.5% of children ultimately experienced holocranial headaches. This study documents pain location at onset and during established headaches in children with migraine largely from a specific ethnic group...
  8. doi request reprint Exploding head syndrome: report of two new cases
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Calcutta, India
    Cephalalgia 28:399-400. 2008
  9. pmc Migraine pain location: how do children differ from adults?
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Science, Calcutta, India
    J Headache Pain 9:375-9. 2008
    ..During established headache unilateral pain was recorded in only a small proportion of children (10.5%) whereas it was noted in many adults' subjects (40.5%). Such a detailed comparative study had not been made earlier...
  10. doi request reprint Artistic talent in dyslexia--a hypothesis
    Ambar Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Kolkata 700026, India
    Med Hypotheses 73:569-71. 2009
    ....
  11. pmc Trigger factors in childhood migraine: a clinic-based study from eastern India
    Ambar Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Calcutta, India
    J Headache Pain 10:375-80. 2009
    ..Most migraine triggers identified were environmental (sun exposure, hot humid weather, smoke and noise) and stress related (school stress mostly). Quite often these operated concurrently to precipitate individual migraine attacks...
  12. doi request reprint Migraine, neuropathic pain and nociceptive pain: towards a unifying concept
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Calcutta, India
    Med Hypotheses 74:225-31. 2010
    ....
  13. doi request reprint The creative brain--revisiting concepts
    Ambar Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Science, 1E 1202, Avishikta II, Calcutta 700 078, India
    Med Hypotheses 74:606-12. 2010
    ..It is hypothesized that that subtle frontal dysfunction is a pre-requisite for creative cognition but here again the relationship is also in an inverted U-form...
  14. doi request reprint How triggers trigger acute migraine attacks: a hypothesis
    Ambar Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Science, 1E 1202, Avishikta II, Calcutta 700 078, India
    Med Hypotheses 74:750-3. 2010
    ..The suggested hypothesis on mechanism of action of triggers, offers theoretical basis for efficacy of currently available pharmacologic and non-pharmacologic therapies for abortive and prophylactic treatment of migraine...
  15. doi request reprint Migraine, epileptic seizures and psychogenic non-epileptic seizures: observations in Indian patients in a clinic-based study
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Science, Kolkata, India
    Neurol India 58:631-3. 2010
    ..This appears to be the first report on these features in Indian subjects with migraine...
  16. doi request reprint Sporadic hemiplegic migraine in children: a report of two new cases
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Kolkata, India
    Neurol India 58:648-50. 2010
    ..The second case is perhaps the youngest patient reported with this disorder...
  17. ncbi request reprint Unifying concept for Alzheimer's disease, vascular dementia and normal pressure hydrocephalus - a hypothesis
    Ambar Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, 59 Beadon Street, Calcutta 700006, India
    Med Hypotheses 63:827-33. 2004
    ..Hypoperfusion may also affect formation as well as absorption of CSF altering clearance of amyloid and promoting vascular and parenchymal deposition. Thus the pathologies of AD, VaD and NPH get interrelated...
  18. ncbi request reprint Trigeminal autonomic cephalgias and variants: clinical profile in Indian patients
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Kolkata, India
    Cephalalgia 24:859-66. 2004
    ..TACs appear to be rare in Indian patients and cluster headache seems to be exclusively a disease of men. The present report is to the best of our knowledge the first of its kind to be reported from India...
  19. ncbi request reprint Chronic daily headaches: clinical profile in Indian patients
    A Chakravarty
    Division of Neurology, Vivekananda Institute of Medical Sciences, Calcutta, India
    Cephalalgia 23:348-53. 2003
    ..CDH in India is not uncommon. Analgesic/ergot overuse needs to be recognized early. The average dose of analgesic implicated in CDH seems much less compared with that reported in the West...
  20. ncbi request reprint MR evaluation of crossed and uncrossed cerebral-cerebellar diaschisis
    A Chakravarty
    Division of Neurology, Vivekananda Institute of Medical Sciences, Calcutta
    Acta Neurol Scand 108:60-5. 2003
    ..Functional neuroimaging studies in support of the concept of CCD and ICD have been critically reviewed in the light of the morphological changes demonstrated in the cases cited herein...
  21. ncbi request reprint SUNCT syndrome responsive to lamotrigine: documentation of the first Indian case
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Science, Calcutta, India
    Cephalalgia 23:474-5. 2003
  22. ncbi request reprint Why women do not get micturition syncope?--a hypothesis
    A Chakravarty
    Vivekananda Institute of Medical Science, Calcutta, India
    Med Hypotheses 61:463-4. 2003
    ..Significant venous pooling in legs is also prevented by adopting a squatting posture and using a commode seat...
  23. ncbi request reprint Friedreich's ataxia--yesterday, today and tomorrow
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Science, Calcutta, India
    Neurol India 51:176-82. 2003
    ..Of great promise is the use of free radical scavengers and antioxidants. One such agent idebenone, a short chain analogue of co-enzyme Q10, may have a future...
  24. ncbi request reprint Primary degenerative cerebellar ataxias in ethnic Bengalees in West Bengal: some observations
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Medical College, Kolkata 700 006, India
    Neurol India 51:227-34. 2003
    ..The need for clinical and genetic studies of ataxias in different specific ethnic populations of India has been stressed...
  25. ncbi request reprint Autosomal dominant cerebellar ataxias in ethnic Bengalees in West Bengal - an Eastern Indian state
    A Chakravarty
    Division of Neurology, Vivekananda Institute of Medical Sciences, Calcutta, India
    Acta Neurol Scand 105:202-8. 2002
    ..The present study attempted to look into the patterns of ADCA amongst ethnic Bengalee patients hailing from the eastern Indian state of West Bengal...
  26. ncbi request reprint X-linked Charcot-Marie-Tooth disease with myokymia: report of a family
    A Chakravarty
    Vivekananda Institute of Medical Sciences and B R Singh Hospital and Research Center, Calcutta, India
    Neurol India 51:385-7. 2003
    ..Pedigree analysis suggested an x-linked recessive form of inheritance. This appears to be the first report of an Indian family with x-linked Charcot-Marie-Tooth disease...
  27. ncbi request reprint Crossed cerebral - cerebellar diaschisis: MRI evaluation
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Calcutta, India
    Neurol India 50:322-5. 2002
    ..These observations provide morphological evidence of the phenomenon of crossed cerebral-cerebellar diaschisis (CCD). Functional neuroimaging studies in support of the concept of CCD has been critically reviewed...
  28. ncbi request reprint Squatting, blood pressure and stroke
    S D Chakrabarti
    Medical College, Calcutta
    J Assoc Physicians India 50:382-6. 2002
    ..We would suggest that hypertensive subjects and those at risk of stroke should avoid squatting and urge physicians to check squatting BP while monitoring anti-hypertensive therapy...
  29. ncbi request reprint Vertigo and dizziness--a clinical approach
    A Mukherjee
    Department of Neurology, Vivekananda Institute of Medical Science, Kolkata
    J Assoc Physicians India 51:1095-101. 2003
    ....
  30. ncbi request reprint Is squatting a triggering factor for stroke in Indians?
    S D Chakrabarti
    Rotating Intern, Medical College Hospital, Calcutta, India
    Acta Neurol Scand 105:124-7. 2002
    ..The present study has been designed to assess the validity of this observation and to identify the likely triggering factor in stroke onset in such situations...
  31. ncbi request reprint Sepsis and neurology
    A Chakravarty
    Department of Neurology, Calcutta National Medical College, Calcutta
    J Assoc Physicians India 51:385-90. 2003
  32. ncbi request reprint The neurology of eclampsia : some observations
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences and Medical College, Calcutta, 700006, India
    Neurol India 50:128-35. 2002
    ..A brief note on the pathogenesis of the cerebral lesions is included and the controversial aspect of seizure control in eclampsia highlighted...
  33. ncbi request reprint Neurologic illness following post-exposure prophylaxis with purifiled chick embryo cell antirabies vaccine
    A Chakravarty
    Vivekananda Institute of Medical Sciences, Calcutta
    J Assoc Physicians India 49:927-8. 2001
    ..Neurologic complication following PCEC vaccination has not been reported earlier...
  34. ncbi request reprint A patient with optic pathway glioma, scoliosis, Chiari type I malformation and syringomyelia: is it Neurofibromatosis type 1?
    A Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Calcutta, India
    Neurol India 50:520-1. 2002
    ..We considered this combination to be more than coincidental and argue in favour of considering the case as a variant form of Neurofibromatosis type 1. The relevent literature in favour of our contention has been reviewed...
  35. ncbi request reprint Familial pediatric rapidly progressive extrapyramidal syndrome: is it Hallervorden-Spatz disease?
    Ambar Chakravarty
    Department of Neurology, Vivekananda Institute of Medical Sciences, Calcutta, India
    Pediatr Neurol 29:170-2. 2003
    ..The diagnosis should be considered a variant form of HSD...
  36. ncbi request reprint Must all patients with headaches associated with sexual activity fulfill ICHD-2 criteria?
    Ambar Chakravarty
    Department of Neurology, VIMS, Calcutta, India
    Headache 47:436-8. 2007
    ..Nosological and other issues raised by these cases are discussed and inclusion of such cases within the rubric of Benign Sexual Headaches is argued...