SIR,

In compliance with your request, I send you the following account

of what I can at present recollect relating to the effects of

electricity in paralytic cases, which have fallen under my

observation.

Some years since, when the news-papers made mention of great cures

performed in Italy and Germany, by means of electricity, a number of

paralytics were brought to me from different parts of Pensylvania,

and the neighbouring provinces, to be electrised, which I did for

them at their request. My method was, to place the patient first in a

chair, on an electric stool, and draw a number of large strong sparks

from all parts of the affected limb or side. Then I fully charged

two six-gallon glass jars, each of which had about three square feet

of surface coated; and I sent the united shock of these through

the affected limb or limbs, repeating the stroke commonly three

times each day. The first thing observed, was an immediate greater

sensible warmth in the lame limbs that had received the stroke than

in the others; and the next morning the patients usually related,

that they had in the night felt a pricking sensation in the flesh of

the paralytic limbs; and would sometimes show a number of small red

spots, which they supposed were occasioned by those prickings. The

limbs, too, were found more capable of voluntary motion, and seemed

to receive strength. A man, for instance, who could not the first day

lift the lame hand from off his knee, would the next day raise it

four or five inches, the third day higher; and on the fifth day was

able, but with a feeble languid motion, to take off his hat. These

appearances gave great spirits to the patients, and made them hope

a perfect cure; but I do not remember that I ever saw any amendment

after the fifth day; which the patients perceiving, and finding

the shocks pretty severe, they became discouraged, went home, and

in a short time relapsed; so that I never knew any advantage from

electricity in palsies that was permanent. And how far the apparent

temporary advantage might arise from the exercise in the patients

journey, and coming daily to my house, or from the spirits given by

the hope of success, enabling them to exert more strength in moving

their limbs, I will not pretend to say.

Perhaps some permanent advantage might have been obtained, if the

electric shocks had been accompanied with proper medicine and

regimen, under the direction a skilful physician. It may be, too,

that a few great strokes, as given in my method, may not be so proper

as many small ones; since by the account from Scotland of a case, in

which two hundred shocks from a phial were given daily, it seems,

that a perfect cure has been made. As to any uncommon strength

supposed to be in the machine used in that case, I imagine it could

have no share in the effect produced; since the strength of the shock

from charged glass, is in proportion to the quantity of surface of

the glass coated; so that my shocks from those large jars, must have

been much greater than any that could be received from a phial held

in the hand.

The Complete Works in Philosophy, Politics and Morals of the late Dr. Benjamin Franklin, Vol. 1 [of 3] · 第 234 / 291 题