Parkinson's Symptoms/Glabellar tap

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Glabellar tap

Tapping just above the nose (which can initiate involuntary blinking in PD)

The following references are relevant:-

Klawans Jr. and Goodwin (1969) Reversal of the glabellar reflex in Parkinsonism by L-dopa. ^[1]

Penders and Delwaide (1971) Blink reflex studies in patients with Parkinsonism before and during therapy^[2]

Brodsky et al (2004) Glabellar and palmomental reflexes in Parkinsonian disorders. ^[3]

Further Research

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References

↑ Klawans Jr., H.L. and Goodwin, J.A, font color="maroon">(1969) Full Text J. Neurol. Neurosurg. Psychiatry. 32 (5) 423 – 427 Reversal of the glabellar reflex in Parkinsonism by L-dopa. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC496552/
↑ Pemders, C.A. and Delwaide, P.J. font color="maroon">(1972) Full Text J. Neurol. Neurosur.g Psychiatry. 34 (6) 674 – 678. Blink reflex studies in patients with Parkinsonism before and during therapy http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1083500/
↑ Brodsky, H.; Dat Vuong, K.; Thomas, M. and Jankovic. J. font color="maroon">(2004) Abstract Neurology. 63 (6) 1096 - 1098. Glabellar and palmomental reflexes in Parkinsonian disorders. http://www.ncbi.nlm.nih.gov/pubmed/15452308

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