Neuropsychological assessment

Functional system

Expressive language include at least the following components:
inner speech
producing

Broca's area

Phrenology

Franz Joseph Gall (1758-1828)

Luria's theory

Mental process

Physiological process (neuronal activity)

The components of the functional

Luria's theory

Psychological process

Physiological process

Neuropsychological factors
(Specific
brain
Mechanisms)

Neuropsychological factor is a specific brain mechanism that contribute to a

The basic concept of Luria's theory
The brain is "a functional

The basic concept of Luria's theory
Various combinations of specific neuropsychological

Dysgraphia
deficiency in the ability to write

Dysgraphia

Component of the Functional System
1. Visual image of letter
q

Dysgraphia
Symptoms and compensations
Substitutions of visually similar letters
quick – guick
Compensation
the

Dysgraphia

The role in writing
Visual analysis of details in letters
Brain

Dysgraphia
Component of the Functional System
2. Visuospatial image of letter
b d

Dysgraphia
Symptoms
Mirror writing
dog bog

Dysgraphia

The role in writing
Visual analysis of letters which have only

Dysgraphia

Component of the Functional System
3. Motor component
Afferent part
Efferent part

Dysgraphia

Afferent part
Symptoms and compensations
Clumsy writing

Dysgraphia

Afferent part
Symptoms and compensations
Compensation
big letters

Dysgraphia

The role in writing
Kinaesthetic analysis of graphic movements (motor schema

Dysgraphia

Component of the Functional System
Motor component
Efferent part

Dysgraphia

Efferent part
Symptoms and compensations
Perseverations of elements in letters or letter

Dysgraphia

Efferent part
Symptoms and compensations
Compensation
writing in printed letters

Dysgraphia

The role in writing
Kinetic (sequential) organization of movements in writing
Easiness

Dysgraphia

Component of the Functional System
4. Control of writing

Dysgraphia

Symptoms
Lack of capitalization and punctuation
Grammar mistakes

Dysgraphia

The role in writing
Planning, initiation and control in writing
Control

Dysgraphia

Component of the Functional System
5. Phonemic perception

Dysgraphia

Symptoms and compensations
Substitutions of opposite consonants
(b/p)

Dysgraphia

Symptoms and compensations
Compensation
use of a context

Dysgraphia

The role in writing
Differentiation of similar phonemes (opposite consonants, soft

Dysgraphia

Component of the Functional System
6. Working memory

Dysgraphia

Symptoms and compensations
Omissions of words in sentences
Changing position of words

Dysgraphia

The role in writing
Retaining information for writing using working memory
Brain

Dysgraphia

Component of the Functional System
7. Stability in writing

Dysgraphia

Symptoms of disturbances and compensations
Micrographia
Fluctuations in pen pressure
Intervals disproportion
Slow writing
Difficulties