4: Arrested intellectual development: basic science Flashcards Preview

Psychiatry Week 3 2018/19 > 4: Arrested intellectual development: basic science > Flashcards

Flashcards in 4: Arrested intellectual development: basic science Deck (24)
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1

What are the criteria for diagnosing a learning disability?

IQ < 70

Developing before the age of 18

Deficits in adaptive functioning

2

What is a deficit in adaptive functioning?

Extreme: inability to walk, talk, feed yourself

through to minor difficulties in numeracy, literacy

3

What is the prevalence of learning disability in the population?

3%

4

What is the average IQ of the population?

100

5

What is the IQ threshold needed to diagnose a learning disability?

< 70

6

What percentage of the population have an IQ < 70?

3%

remember that you need to fulfill the other criteria to diagnose as learning disability

7

What is the Flynn effect?

IQ is increasing by 10 points per generation

AND

by 10 points per person per decade

8

If a patient's IQ increases over 70 post-diagnosis with a learning disability, do they still have one?

Probably

not quite sure what he's talking about ngl

9

Are learning difficulties the same as learning disabilities?

No

Learning difficulty - deficit in a specific area e.g dyslexia

Learning disability - global deficit caused by arrest of intellectual development

10

Can learning disabilities start in adulthood?

No

Must have started before the age of 18

11

Is dyslexia learning disability?

No

learning difficulty

12

How is severity of a learning disability determined?

IQ

More severe as IQ decreases

13

People with an IQ hovering around 70 have a ___ learning disability.

borderline

14

What are the IQ thresholds for each severity of learning disability?

Borderline - hovering around 70

Mild - 50 to 69

Moderate - 35 to 49

Severe - 20 to 34

Profound - less than 20

15

The lower your IQ, the greater your likelihood of having which neurological disease?

Epilepsy

16

In general, what tasks do people with learning disabilities struggle with?

Understanding new or complex information

Learning new skills

Looking after themselves

17

How is IQ calculated?

IQ = (MA/CA) x 100

MA = mental age, CA = chronological age

18

Does learning disability come under the umbrella of mental disorder?

What does this mean legally?

Yes

Patients can be detained under the MHA and treated under the Adults with Incapacity Act

19

What are some genetic causes of learning disability?

Trisomy 21 (Down syndrome)

Angelman, Prader-Willi, Kilnefelter's, Turner's, Fragile X...

 

20

Which neurological disease is Down syndrome associated with?

Alzheimer's disease

21

Which genetic syndrome, causing overeating, is also associated with learning disability?

Prader-Willi syndrome

22

Which diseases are tested for in the newborn heel prick test?

Sickle cell anaemia

CF

Congenital hypothyroidism

Metabolic diseases (most notably PKU)

23

What maternal problems, occuring before birth, may cause learning disability?

Viral infection

Drug or alcohol use

Malnutrition

Complicated birth

24

What type of trauma must be ruled out in children presenting with a learning disability?

NAI

"Shaken baby syndrome"