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Developmental dyspraxia

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Developmental dyspraxia
Classification and external resources
ICD-10	F82.
ICD-9	315.4
DiseasesDB	31600
MeSH	D001072

Developmental dyspraxia is one or all of a heterogeneous range of development disorders affecting the initiation, organization, and performance of action.^[1] It is a diagnosis of exclusion which entails the partial loss of the ability to coordinate and perform certain purposeful movements and gestures, in the absence of other motor or sensory impairments like^[2] cerebral palsy,^[3] muscular dystrophy, multiple sclerosis or Parkinson's disease.

The concept of developmental dyspraxia has existed for more than a century, but differing interpretations of the terminology remains.^[4]

The Dyspraxia Foundation defines developmental dyspraxia as "an impairment or immaturity of the organisation of movement. It is an immaturity in the way that the brain processes information, which results in messages not being properly or fully transmitted. The term dyspraxia comes from the word praxis, which means 'doing, acting'. Dyspraxia affects the planning of what to do and how to do it. It is associated with problems of perception, language and thought."^[5]

Developmental dyspraxia (referred to as developmental coordination disorder (DCD) in the US and Europe) is a life-long condition that is more common in males than in females, with a ratio of approximately 4 males to every female. The exact proportion of people with the disorder is unknown since the disorder can be difficult to detect due to a lack of specific laboratory tests, thus making diagnosis of the condition one of elimination of all other possible causes/diseases. Current estimates range from 5% - 20% with 5-6% being the most frequently quoted percentage in literature(Gaines, Missiuna,Egan & McLean 2008). Ripley, Daines, and Barrett state that "Developmental dyspraxia is difficulty getting our bodies to do what we want when we want them to do it",^[6] and that this difficulty can be considered significant when it interferes with the normal range of activities expected for a child of their age. Madeleine Portwood; a Senior Specialist Educational Psychologist employed by Durham County Council, UK, and author of Developmental Dyspraxia--A Practical Manual for Parents and Professionals; makes the distinction that dyspraxia is not due to a general medical condition, but that it may be due to immature neuron development. The word "dyspraxia" comes from the Greek words "dys" meaning impaired or abnormal and "praxis", meaning action or deed.

Dyspraxia is described as having two main elements:

Ideational dyspraxia 

Difficulty with planning a sequence of coordinated movements.

Ideo-Motor dyspraxia 

Difficulty with executing a plan, even though it is known.

Contents  [hide] 1 Assessment and diagnosis 2 Developmental profiles 2.1 Speech and language 2.2 Fine motor control 2.3 Whole body movement, coordination, and body image 3 General difficulties 4 Overlap with other conditions 5 Other names 6 References 7 External links

[edit]Assessment and diagnosis

Assessments for dyspraxia typically require a developmental history, detailing ages at which significant developmental milestones, such as crawling and walking, occurred. Motor skills screening includes activities designed to indicate dyspraxia, including balancing, physical sequencing, touch sensitivity, and variations on walking activities. A baseline motor assessment establishes the starting point for developmental intervention programs. Comparing children to normal rates of development may help to establish areas of significant difficulty.

However, research in the BJSE has shown that knowledge is severely limited in many who should be trained to recognise and respond to various difficulties, including Developmental Coordination Disorder, Dyslexia and DAMP. The earlier that difficulties are noted and timely assessments occur, the quicker intervention can begin. A teacher or GP could miss a diagnosis if they are only applying a cursory knowledge.

"Teachers will not be able to recognise or accommodate the child with learning difficulties in class if their knowledge is limited. Similarly GPs will find it difficult to detect and appropriately refer children with learning difficulties."^[7]

[edit]Developmental profiles

Various areas of development can be affected by developmental dyspraxia and many or all can persist into adulthood. Often various coping strategies are developed, and these can be enhanced through physiotherapy.

[edit]Speech and language

Developmental verbal dyspraxia is a type of ideational dyspraxia, causing linguistic or phonological impairment. This is the favoured term in the UK; however it is also sometimes referred to as articulatory dyspraxia and in the USA the usual term is apraxia of speech ^[8]. Key problems include:

• Difficulties controlling the speech organs.
• Difficulties making speech sounds
• Difficulty sequencing sounds
  • Within a word
  • Forming words into sentences
• Difficulty controlling breathing and phonation.
• Slow language development.
• Difficulty with feeding.

[edit]Fine motor control

Difficulties with fine motor co-ordination lead to problems with handwriting, which may be due to either ideational or ideo-motor difficulties. Problems associated with this area may include:

• Learning basic movement patterns.
• Developing a desired writing speed.
• The acquisition of graphemes – e.g. the letters of the Latin alphabet, as well as numbers.
• Establishing the correct pencil grip
• Hand aching while writing

Fine-motor problems can also cause difficulty with a wide variety of other tasks such as using a knife and fork, fastening buttons and shoelaces, cooking, brushing one's teeth, applying cosmetics, styling one's hair, opening jars and packets, locking and unlocking doors, shaving and doing housework.^[9]

[edit]Whole body movement, coordination, and body image

Issues with gross motor coordination mean that major developmental targets including walking, running, climbing and jumping can be affected. The difficulties vary from child to child and can include the following:

• Poor timing.
• Poor balance (sometimes even falling over in mid-step). Tripping over one's own feet is also not uncommon.
• Difficulty combining movements into a controlled sequence.
• Difficulty remembering the next movement in a sequence.
• Problems with spatial awareness, or proprioception.
• Some people with dyspraxia have trouble picking up and holding onto simple objects owing to poor muscle tone and or proprioception.
• This disorder can cause an individual to be clumsy to the point of knocking things over and bumping into people accidentally.
• Some people with dyspraxia have difficulty in determining left from right.
• Cross-laterality, ambidexterity, and a shift in the preferred hand are also common in people with dyspraxia.^[10]
• People with dyspraxia may also have trouble determining the distance between them and other objects.^[11]

[edit]General difficulties

In addition to the physical impairments, dyspraxia is associated with problems with memory, especially short-term memory.^{[9][12][13][14][15]} This typically results in difficulty remembering instructions, difficulty organizing one's time and remembering deadlines, increased propensity to lose things or problems carrying out tasks which require remembering several steps in sequence (such as cooking.) Whilst most of the general population experience these problems to some extent, they have a much more significant impact on the lives of dyspraxic people.^[14] However, many dyspraxics have excellent long-term memories, despite poor short-term memory.^[14] Many dyspraxics benefit from working in a structured environment^[16], as repeating the same routine minimises difficulty with time-management and allows them to commit procedures to long-term memory.

People with dyspraxia may have sensory integration dysfunction, including abnormal oversensitivity or undersensitivity to physical stimuli, such as touch, light, and sound.^[11] This may manifest itself as an inability to tolerate certain textures such as sandpaper or certain fabrics and including oral toleration of excessively textured food (commonly known as picky eating), or even being touched by another individual (in the case of touch oversensitivity) or may require the consistent use of sunglasses outdoors since sunlight may be intense enough to cause discomfort to a dyspraxic (in the case of light oversensitivity). An aversion to loud music and naturally loud environments (such as clubs and bars) is typical behavior of a dyspraxic individual who suffers from auditory oversensitivity, while only being comfortable in unusually warm or cold environments is typical of a dyspraxic with temperature oversensitivity. Undersensitivity to stimuli may also cause problems. Dyspraxics who are undersensitive to pain may injure themselves without realising^[11]. Some dyspraxics may be oversensitive to some stimuli and undersensitive to others.^[11]

People with dyspraxia sometimes have difficulty moderating the amount of sensory information that their body is constantly sending them, so as a result these people are prone to panic attacks^[14]. Having other autistic traits (which is common with dyspraxia and related conditions)^[13] may also contribute to sensory-induced panic attacks.

Dyspraxia can cause problems with perception of distance, and with the speed of moving objects and people^[11] This can cause problems moving in crowded places and crossing roads and can make learning to drive a car extremely difficult or impossible.

Many dyspraxics struggle to distinguish left from right, even as adults, and have extremely poor sense of direction generally.^[9][17]

Moderate to extreme difficulty doing physical tasks is experienced by some dyspraxics, and fatigue is common because so much extra energy is expended while trying to execute physical movements correctly.^[18] Some (but not all) dyspraxics suffer from hypotonia, which in this case is chronically low muscle tone caused by dyspraxia^[19][20]. People with this condition can have very low muscle strength and endurance (even in comparison with other dyspraxics) and even the simplest physical activities may quickly cause soreness and fatigue, depending on the severity of the hypotonia. Hypotonia may worsen a dyspraxic's already poor balance^[21].

[edit]Overlap with other conditions

Dyspraxics may have other difficulties that are not due to dyspraxia itself but often co-exist with it. This is sometimes referred to as comorbidity.^[22] Dyspraxics may have characteristics of dyslexia (difficulty with reading and spelling), dyscalculia (difficulty with mathematics), dysgraphia (an inability to write neatly and/or draw) expressive language disorder (difficulty with verbal expression), ADHD (poor attention span and impulsive behaviour), or Asperger syndrome (consisting variously of poor social cognition, a literal understanding of language (making it hard to understand idioms or sarcasm) and rigid, intense interests). However, they are unlikely to have problems in all of these areas. The pattern of difficulty varies widely from person to person, and it is important to understand that a major weakness for one dyspraxic can be a strength or gift for another. For example, while some dyspraxics have difficulty with reading and spelling due to an overlap with dyslexia, or numeracy due to an overlap with dyscalculia, others may have brilliant reading and spelling or mathematical abilities. Similarly, some have autistic traits such as lacking an appreciation of irony or social cues, while others thrive on an ironic sense of humour as a bonding tool and a means of coping.^[23]

[edit]Other names

Collier first described developmental dyspraxia as 'congenital maladroitness'. A. Jean Ayres referred to it as a disorder of sensory integration in 1972 while in 1975 Dr Sasson Gubbay called it the 'clumsy child syndrome'.^[24] It has also been called minimal brain dysfunction although the two latter names are no longer in use. Other names include:

• Dyspraxia
• Developmental Co-ordination Disorder - a subtly different condition by definition, in practice, very similar.
• Sensorimotor dysfunction
• Perceptuo-motor dysfunction
• Motor Learning Difficulties

The World Health Organisation currently lists Developmental Dyspraxia as Specific Developmental Disorder of Motor Function

amare la paura, disprassia, dislessia bulimia

la paura è senza dubbio la base di molti disturbi giovanili certi dalla nascita come la disprassia che è un disturbo psicomotorio dove la mente rifiuta i messaggi del corpo creando dei blocchi corporei dovuti a una somatizzazione di tutte le emozioni forti, e dovuto a questo blocco il corpo si vendica non rispondendo ai comandi di  una mente dispotica e codarda. La dislessia è una parte del cervello che funziona meno bene del altra spingendo le persone affette o a una forte predisposizione scientifica o artistica. Questi due disturbi sono sempre più frequenti ma arrivano con la nascita, mentre i disturbi alimentari sono abbastanza legati al' avvicinarsi della fase della pubertà, basate sulla paura del dovere affrontare un mondo esterno in contraddizione con quello insegnato dai genitori. Tutti e tre i disturbi sono forse dovuti a condizioni ambientali?è possibile che un disturbo che viene con la nascita, abbia delle cose in comune con un disturbo successivo?

Queste domande nascono dal fatto che questi disturbi nei giovani sono sempre più frequenti e la domanda che mi faccio è come mai i genitori e la società sono così inadeguati? Spesso questi disturbi se affrontati con coraggio portano a delle doti fuori dal comune, artistiche, di leadership etc... io per esempio come disprassico e dislessico sono artista (facebook.com/giulio.baistrocchi)pero vedendo i miei quadri vedrete la confusione nella mia testa i pensieri diventano carne e il corpo diventa fluido. Posso solo parlare di me come esempio e ho notato anche facendo gestalt che alla base di ogni mio blocco c è la paura, e che in realtà fa parte più o meno celata in tutti gli esseri umani. Penso che l unica differenza tra una persona che vive la sua vita senza troppi pensieri, sia una persona che ha imparato meglio a reprimere le sue paure. Questo tentativo delle società contemporanee di demonizzare la paura serve in realtà per potere controllare meglio gli individui. I giornali sono le uniche fonti di paura permesse, si parla di ecologia apocalittica, di crisi etc... in un mondo relativamente sicuro. la paura di perdere questo mondo relativamente sicuro è un arma per certe lobbie di potere fare quello che vogliono, di corrompere politici e di fare i propri comodi. Questi disturbi nelle nuove generazioni sarà forse un tipo di mutazione e di rigetto spontaneo verso un mondo che non ci appartiene. Finite le lotte per rendere il mondo migliore non è che il mondo stà mutando da solo senza rivoluzioni o idealismi prima o poi traditi per questiono di comodo?