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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from Expression of Emotion in Man and Animals by Charles Darwin: A similar winking movement is caused when a blow is directed
towards the face; but this is an habitual and not a strictly
reflex action, as the stimulus is conveyed through the mind
and not by the excitement of a peripheral nerve. The whole body
and head are generally at the same time drawn suddenly backwards.
These latter movements, however, can be prevented,
if the danger does not appear to the imagination imminent;
but our reason telling us that there is no danger does not suffice.
I may mention a trifling fact, illustrating this point, and which at
the time amused me. I put my face close to the thick glass-plate
in front of a puff-adder in the Zoological Gardens, with the firm
Expression of Emotion in Man and Animals |
