Gall places the love of offspring in the posterior lobes of the
brain.[111] Now, the love of offspring, and especially maternal love,
is every where to be found among the superior animals; it is found in
all the mammifera, in all the birds.[112] The posterior lobes of the
brain, therefore, ought to be found in all these beings. Not at all: the
posterior lobes are wanting in most of the mammifera; they are wanting in
all the birds.
Gall locates the faculties that are common to both man and animals,
in the posterior part of the brain; in the anterior part he places
those[113] that are peculiar to man alone. According to this plan, the
most _persistent_ portion of the brain will be the posterior portion,
and the least persistent the anterior portion. But the inverse of the
proposition holds. The parts that are most frequently wanting are the
_posterior parts_, and those that are most invariably present are the
_anterior parts_.[114]
If, from the brain, I pass on to consider the cranium, all the foregoing
is found to be of still greater force. How can the localizations that
are destitute of meaning as to the brain—how can they, I say, have any
meaning as relative to the cranium itself?
The cranium, especially the external surface of it, represents the
superficial configuration of the brain but very imperfectly. Gall knows
it. “I was the first,” says he, “to maintain that it is impossible for us
to determine with exactitude the development of certain circumvolutions,
by the inspection of the external surface of the cranium. In certain
cases, the exterior lamina of the cranium is not parallel with the
internal lamina.”[115] “There are certain species in which there is no
frontal sinus; in others, the cells betwixt the two bony laminæ are found
throughout the whole skull,”[116] &c. &c.
The cranium represents the convolutions of the brain only upon its
inner surface; it does not represent them upon its external superficies.
And as to the _fibres_, as to the _bundles of fibres_, it does not even
represent them on its inner surface; for the fibres are covered with
a layer of gray matter, and the bundles of fibres are situated in the
interior of the nervous mass.
Gall is aware of all this, and nevertheless he inscribes his twenty-seven
faculties upon the skulls.[117] Such confidence surprises one. Nothing
is known of the intimate structure of the brain,[118] and yet people
are bold enough to trace upon it their circumscriptions, their circles,
their boundaries. The external surface of the skull does not represent
the brain’s surface, it is admitted; and yet they inscribe upon this
surface twenty-seven names, each of which names is written within a small
circle, each little circle corresponding to one precise faculty! And what
is stranger yet, people are to be found who, under each of these names
inscribed by Gall, imagine that there is concealed something more than a
name!
Public-domain text, read in full here on John Shaqi.
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