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S Allen Counter Jr., Dr.Med.Sci, Ph.D.

TitleClinical Professor of Neurology
InstitutionMassachusetts General Hospital
DepartmentNeurology
AddressHarvard College Life & Student Svcs
University Hall, First Floor
Harvard Yard
Cambridge MA 02138
Phone617/495-1527
Fax617/496-1443

 Bibliographic 
 selected publications
Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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  1. Counter SA, Buchanan LH, Ortega F. Acoustic stapedius muscle reflex in mercury-exposed Andean children and adults. Acta Otolaryngol. 2012 Jan; 132(1):51-63.
    View in: PubMed
  2. Counter SA, Buchanan LH, Ortega F, van der Velde J, Borg E. Assessment of auditory brainstem function in lead-exposed children using stapedius muscle reflexes. J Neurol Sci. 2011 Jul 15; 306(1-2):29-37.
    View in: PubMed
  3. Buchanan LH, Counter SA, Ortega F. Environmental lead exposure and otoacoustic emissions in Andean children. J Toxicol Environ Health A. 2011; 74(19):1280-93.
    View in: PubMed
  4. Counter SA, Buchanan LH, Ortega F. Neurophysiologic and neurocognitive case profiles of Andean patients with chronic environmental lead poisoning. J Toxicol Environ Health A. 2009; 72(19):1150-9.
    View in: PubMed
  5. Counter SA, Buchanan LH, Ortega F. Neurocognitive screening of lead-exposed andean adolescents and young adults. J Toxicol Environ Health A. 2009; 72(10):625-32.
    View in: PubMed
  6. Counter SA, Buchanan LH, Ortega F. Zinc protoporphyrin levels, blood lead levels and neurocognitive deficits in Andean children with chronic lead exposure. Clin Biochem. 2008 Jan; 41(1-2):41-7.
    View in: PubMed
  7. Counter SA. Preservation of brainstem neurophysiological function in hydranencephaly. J Neurol Sci. 2007 Dec 15; 263(1-2):198-207.
    View in: PubMed
  8. Counter SA. Brainstem mediation of the stapedius muscle reflex in hydranencephaly. Acta Otolaryngol. 2007 May; 127(5):498-504.
    View in: PubMed
  9. Counter SA, Buchanan LH, Ortega F, Rifai N, Shannon MW. Comparative analysis of zinc protoporphyrin and blood lead levels in lead-exposed Andean children. Clin Biochem. 2007 Jul; 40(11):787-92.
    View in: PubMed
  10. Counter SA, Buchanan LH, Ortega F. Lead concentrations in maternal blood and breast milk and pediatric blood of Andean villagers: 2006 follow-up investigation. J Occup Environ Med. 2007 Mar; 49(3):302-9.
    View in: PubMed
  11. Counter SA, Buchanan LH, Ortega F. Neurocognitive screening of mercury-exposed children of Andean gold miners. Int J Occup Environ Health. 2006 Jul-Sep; 12(3):209-14.
    View in: PubMed
  12. Counter SA, Buchanan LH, Ortega F. Mercury levels in urine and hair of children in an Andean gold-mining settlement. Int J Occup Environ Health. 2005 Apr-Jun; 11(2):132-7.
    View in: PubMed
  13. Counter SA, Buchanan LH, Ortega F. Neurocognitive impairment in lead-exposed children of Andean lead-glazing workers. J Occup Environ Med. 2005 Mar; 47(3):306-12.
    View in: PubMed
  14. Counter SA, Buchanan LH, Ortega F. Current pediatric and maternal lead levels in blood and breast milk in Andean inhabitants of a lead-glazing enclave. J Occup Environ Med. 2004 Sep; 46(9):967-73.
    View in: PubMed
  15. Duan M, Bjelke B, Fridberger A, Counter SA, Klason T, Skjönsberg A, Herrlin P, Borg E, Laurell G. Imaging of the guinea pig cochlea following round window gadolinium application. Neuroreport. 2004 Aug 26; 15(12):1927-30.
    View in: PubMed
  16. Counter SA, Buchanan LH. Mercury exposure in children: a review. Toxicol Appl Pharmacol. 2004 Jul 15; 198(2):209-30.
    View in: PubMed
  17. Duan M, Qiu J, Laurell G, Olofsson A, Counter SA, Borg E. Dose and time-dependent protection of the antioxidant N-L-acetylcysteine against impulse noise trauma. Hear Res. 2004 Jun; 192(1-2):1-9.
    View in: PubMed
  18. Zou J, Pyykkö I, Counter SA, Klason T, Bretlau P, Bjelke B. In vivo observation of dynamic perilymph formation using 4.7 T MRI with gadolinium as a tracer. Acta Otolaryngol. 2003 Oct; 123(8):910-5.
    View in: PubMed
  19. Counter SA, Zou J, Bjelke B, Klason T. 3D MRI of the in vivo vestibulo-cochlea labyrinth during Gd-DTPA-BMA uptake. Neuroreport. 2003 Sep 15; 14(13):1707-12.
    View in: PubMed
  20. Counter SA, Ortega F, Shannon MW, Buchanan LH. Succimer (meso-2,3-dimercaptosuccinic acid (DMSA)) treatment of Andean children with environmental lead exposure. Int J Occup Environ Health. 2003 Apr-Jun; 9(2):164-8.
    View in: PubMed
  21. Counter SA. Neurophysiological anomalies in brainstem responses of mercury-exposed children of Andean gold miners. J Occup Environ Med. 2003 Jan; 45(1):87-95.
    View in: PubMed
  22. Counter SA. Brainstem neural conduction biomarkers in lead-exposed children of Andean lead-glaze workers. J Occup Environ Med. 2002 Sep; 44(9):855-64.
    View in: PubMed
  23. Counter SA, Buchanan LH, Ortega F, Laurell G. Elevated blood mercury and neuro-otological observations in children of the Ecuadorian gold mines. J Toxicol Environ Health A. 2002 Jan 25; 65(2):149-63.
    View in: PubMed
  24. Counter SA, Buchanan LH. Neuro-ototoxicity in andean adults with chronic lead and noise exposure. J Occup Environ Med. 2002 Jan; 44(1):30-8.
    View in: PubMed
  25. Counter SA, Buchanan LH, Ortega F. Gender differences in blood lead and hemoglobin levels in Andean adults with chronic lead exposure. Int J Occup Environ Health. 2001 Apr-Jun; 7(2):113-8.
    View in: PubMed
  26. Counter SA, Bjelke B, Borg E, Klason T, Chen Z, Duan ML. Magnetic resonance imaging of the membranous labyrinth during in vivo gadolinium (Gd-DTPA-BMA) uptake in the normal and lesioned cochlea. Neuroreport. 2000 Dec 18; 11(18):3979-83.
    View in: PubMed
  27. Counter SA, Olofsson A, Borg E, Bjelke B, Häggström A, Grahn HF. Analysis of magnetic resonance imaging acoustic noise generated by a 4.7 T experimental system. Acta Otolaryngol. 2000 Sep; 120(6):739-43.
    View in: PubMed
  28. Counter SA, Buchanan LH, Ortega F, Amarasiriwardena C, Hu H. Environmental lead contamination and pediatric lead intoxication in an Andean Ecuadorian village. Int J Occup Environ Health. 2000 Jul-Sep; 6(3):169-76.
    View in: PubMed
  29. Counter SA, Buchanan LH, Ortega F, Rifai N. Blood lead and hemoglobin levels in Andean children with chronic lead intoxication. Neurotoxicology. 2000 Jun; 21(3):301-8.
    View in: PubMed
  30. Counter SA, Bjelke B, Klason T, Chen Z, Borg E. Magnetic resonance imaging of the cochlea, spiral ganglia and eighth nerve of the guinea pig. Neuroreport. 1999 Feb 25; 10(3):473-9.
    View in: PubMed
  31. Buchanan LH, Counter SA, Ortega F, Laurell G. Distortion product oto-acoustic emissions in Andean children and adults with chronic lead intoxication. Acta Otolaryngol. 1999; 119(6):652-8.
    View in: PubMed
  32. Bergdahl IA, Vahter M, Counter SA, Schütz A, Buchanan LH, Ortega F, Laurell G, Skerfving S. Lead in plasma and whole blood from lead-exposed children. Environ Res. 1999 Jan; 80(1):25-33.
    View in: PubMed
  33. Counter SA, Buchanan LH, Laurell G, Ortega F. Field screening of blood lead levels in remote Andean villages. Neurotoxicology. 1998 Dec; 19(6):871-7.
    View in: PubMed
  34. Counter SA, Buchanan LH, Rosas HD, Ortega F. Neurocognitive effects of chronic lead intoxication in Andean children. J Neurol Sci. 1998 Sep 18; 160(1):47-53.
    View in: PubMed
  35. Counter SA, Buchanan LH, Laurell G, Ortega F. Blood mercury and auditory neuro-sensory responses in children and adults in the Nambija gold mining area of Ecuador. Neurotoxicology. 1998 Apr; 19(2):185-96.
    View in: PubMed
  36. Counter SA, Buchanan LH, Ortega F, Laurell G. Normal auditory brainstem and cochlear function in extreme pediatric plumbism. J Neurol Sci. 1997 Nov 6; 152(1):85-92.
    View in: PubMed
  37. Counter SA, Vahter M, Laurell G, Buchanan LH, Ortega F, Skerfving S. High lead exposure and auditory sensory-neural function in Andean children. Environ Health Perspect. 1997 May; 105(5):522-6.
    View in: PubMed
  38. Counter SA, Olofsson A, Grahn HF, Borg E. MRI acoustic noise: sound pressure and frequency analysis. J Magn Reson Imaging. 1997 May-Jun; 7(3):606-11.
    View in: PubMed
  39. Counter SA, Canlon B, Borg E, Aldskogius H. Pattern of synaptophysin immunoreactivity in the efferent nerve terminals of the guinea pig cochlea. Neurosci Lett. 1997 Feb 7; 222(3):199-203.
    View in: PubMed
  40. Counter SA, Borg E, Bredberg G, Linde G, Vainio M. Electromagnetic stimulation of the auditory system of deaf patients. Acta Otolaryngol. 1994 Sep; 114(5):501-9.
    View in: PubMed
  41. Counter SA. Auditory brainstem and cortical responses following extensive transcranial magnetic stimulation. J Neurol Sci. 1994 Jul; 124(2):163-70.
    View in: PubMed
  42. Counter SA, Borg E, Olofsson A. Oto-traumatic effects of computer simulated magnetic coil impulse noise: analysis of mechanisms. Acta Otolaryngol. 1993 Nov; 113(6):699-705.
    View in: PubMed
  43. Counter SA. Neurobiological effects of extensive transcranial electromagnetic stimulation in an animal model. Electroencephalogr Clin Neurophysiol. 1993 Oct; 89(5):341-8.
    View in: PubMed
  44. Counter SA, Borg E. Acoustic middle ear muscle reflex protection against magnetic coil impulse noise. Acta Otolaryngol. 1993 Jul; 113(4):483-8.
    View in: PubMed
  45. Counter SA, Aldskogius H, Borg E. Cholera toxin B-HRP and wheat germ agglutinin-HRP tracing of tensor tympani muscle motoneurons and processes in rabbits. Acta Otolaryngol. 1993 Jan; 113(1):43-7.
    View in: PubMed
  46. Counter SA, Borg E. Analysis of the coil generated impulse noise in extracranial magnetic stimulation. Electroencephalogr Clin Neurophysiol. 1992 Aug; 85(4):280-8.
    View in: PubMed
  47. Counter SA, Borg E. Sound perception induced by extracranial magnetic stimulation in deaf patients. Scand Audiol. 1992; 21(4):239-43.
    View in: PubMed
  48. Counter SA, Borg E, Lofqvist L. Acoustic trauma in extracranial magnetic brain stimulation. Electroencephalogr Clin Neurophysiol. 1991 Mar; 78(3):173-84.
    View in: PubMed
  49. Counter SA, Borg E, Lofqvist L, Brismar T. Hearing loss from the acoustic artifact of the coil used in extracranial magnetic stimulation. Neurology. 1990 Aug; 40(8):1159-62.
    View in: PubMed
  50. Counter SA, Klareskov B. Hypoacusis among the Polar Eskimos of northwest Greenland. Scand Audiol. 1990; 19(3):149-60.
    View in: PubMed
  51. Counter SA, Borg E, Engström B. Acoustic middle ear reflexes in laboratory animals using clinical equipment: technical considerations. Audiology. 1989; 28(3):135-43.
    View in: PubMed
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