London's Pulse: Medical Officer of Health reports 1848-1972

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Ilford 1929

[Report of the Medical Officer of Health for Ilford]

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146
Idiot Children.—Total number certified in 1929 2
Recommended for admission to a residential institution
2
Imbecile Children.—Total number certified in 1929 5
Recommended for admission to a residential institution
5
jDull and Backward Children.—Total number certified
in 1929 1
Recommended attendance at special class for dull
and backward children for one year, and then to
be re-examined 1

The border-line of mental deficiency is where the intelligence quotient is about 75.

Actual age in years.Mental age in years.Intelligence Quotient.
7.085.881.92
7.755.267.07
8.165.871.07
8.666.271.59
8.916.370.70
12.258.569.38
13.168.866.86
15.58.957.41

(1) Idiots.—Idiots are, within the meaning of the Mental
Deficiency Act, 1913, persons so defective in mind from an early
age, as to be unable to guard themselves against common physical
dangers. The Authority responsible for dealing with such children
is the Essex County Council. There are 20 cases under the age of
16 years known to the department (1 being notified during the
present year). 3 are in a residential institution, and 17 are at
home.
(2) Imbeciles.—Imbeciles are persons whose mental defectiveness
does not amount to idiocy, yet is so pronounced that they are
incapable of managing themselves or their affairs; or in the case
of children, of being taught to do so. The Authority responsible
for dealing with these children is also the Essex County Council.
There are 18 cases under the age of 16 years known to the department
(9 being notified during the present year), 17 are at home,
and 1 is attending a public elementary school.