You will doubtless agree that the condition popu-
larly called nervousness is, irrespective of its
cause, an emotional state, and that this emotional
state is always associated with certain physiological
body buy ivermectin changes whether the inciting cause of the
emotion be some acute mental excitement or a
chronic physical disability, or a subconscious
mental repression. In order to understand this
statement fully it is necessary to have in mind a
clear conception of the term emotion.
Emotions cheap stromectol were formerly regarded as purely
mental states which gave rise to specific bodily ex-
pressions, as for example, anger, fear, joy, and
many others. It was common to regard them as
definite psychic attributes, component parts, as it
were, of our mental equipment, just as our organs
of sense or limbs are parts of our physical ap-
Copyright, 1920, scabies stromectol by A. R. Elliott Publishing Company.
698
GRAJ'ES: EXDOCR/XOLOCV IX GVXECOLOGV
Medical Journal.
paratus. William James was perhaps the first to
emphasize the idea that emotions are not them-
selves psychic states but are physical sensations re-
sulting from actual bodily changes. Thus he says
that "our feeling of the bodily changes that ensue
after the perception of an exciting fact is the emo-
tion" and invites us to imagine ourselves as being
angry, for example, from a purely intellectual view-
point, eliminating entirely our stromectol online bodily sensations.
James, unfortunately, knew little of the glands of
internal secretion, and therefore was unable to
describe completely the physiology of those bodily
changes to stromectol purchase which he referred in his description of
the emotions. His theory of the emotions, how-
ever, has received remarkable confirmation generic stromectol from
the researches of scientific physiology. Animal ex-
perimentation stromectol 3 mg has shown that during emotional ex-
citement such as that induced by fear, anger, pain
and hunger, there is a markedly increased produc-
tion and absorption in order stromectol online the blood of adrenalin.
Cannon has demonstrated the reciprocating action
between adrenalin and the sympathetic nervous
system, by which certain bodily changes stromectol buy such as an
increase of respiration and pulse beat, inhibition of
the digestive secretions and an increase in the pro-
duction of adrenalin are maintained during emotional
states. He has proved that the action of adrenalin
on the general organism when artificially intro-
duced into the circulation is precisely that of the
sympathetic nerves. In other words, the sympa-
thetic system provides the organism with a material
which by its presence in the blood automatically
prolongs the effects which the stimulated nerves
initiated.
This reciprocating mechanism, as Cannon states,
is undoubtedly a provision of nature to stimulate
the organism to a higher degree of motor activity
for combat and defense. It may readily be imag-
ined, however, that these bodily changes which are
of immense benefit to the individual in a temporary
crisis, may under the influence of constant stimula-
tion become a serious detriment to health. And
this is precisely what happens in the ivermectin stromectol case of the
neurotic in whom some unremitting physical or
mental irritation maintains a state of continuous
emotional excitement.
The scientific discoveries of the physiologists in-
troduces into psychology a new factor of great in-
terest since they prove beyond dispute the stromectol uk influence
on the organism dtiring emotion, not only of the
sympathetic system of buy cheap ivermectin nerves, but also of the glands
of internal secretion. Accurate experimentation
has been carried out along these lines buy stromectol online chiefly stromectol for lice with
the secretion of the adrenal gland. Nevertheless
from our knowledge of the intimate interrelation-
ship that stromectol price exists between all the endocrines it is
entirely probable order stromectol that the adrenal gland is not stromectol canada the
only one that takes part in producing the sensa-
tions of stromectol for scabies the emotional states. In fact this is suffi-
ciently evident from the observation of patients
who suffer from diseases of the internal secretory
glands, examples buy cheap stromectol of which are the emotional ex-
citability of persons with organic hyperthyroidism,
and the mental dulness of those afTected by the
opposite condition, the exaltation of the bodily and
mental functions seen in those with early pituitary
disease, and the premature decay of the same
functions as the disease progresses, and finally the
marked dispositional changes in those who have
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