Autism Spectrum Disorder (ASD)

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Questions and Answers

What are the required deficits in social communication and interactions that affect those with autism?

  • Social reciprocity
  • Nonverbal and verbal communication
  • Developing and maintaining peer relationships

What are the possible patterns of restricted, repetitive behaviors seen in ASD, and how many are needed for diagnosis?

Patterns:

  • Stereotyped motor or verbal/unusual sensory behaviors
  • Excessive adherence to routines
  • Fixated/restricted interests
  • Hyper/hypo reactivity to sensory input

Number needed for diagnosis: 2

Is autism more common in males or females?

Males

What is the most common cause of ASD?

<p>Genetics</p> Signup and view all the answers

What is a common screening tool for ASD in toddlers?

<p>M-CHAT (Modified Checklist for Autism in Toddlers)</p> Signup and view all the answers

What are some early red flags for ASD?

<ul> <li>No big smiles or other warm, joyful expressions by 6 months</li> <li>No back-and-forth sharing of sounds, smiles, or other facial expressions by 9 months</li> <li>No babbling by 12 months</li> <li>No words by 16 months</li> <li>No meaningful, two-word phrases (not including imitating or repeating) by 24 months</li> <li>Any loss of speech, babbling, or social skills at any age</li> </ul> Signup and view all the answers

What is the minimal reliable age for diagnosing ASD?

<p>18 months</p> Signup and view all the answers

What are 3 potential early differential diagnoses to consider alongside ASD?

<ul> <li>Isolated cognitive dysfunction</li> <li>Isolated expressive language dysfunction</li> <li>Isolated deficiency of rearing environment</li> </ul> Signup and view all the answers

What diagnosis might be considered for a child who is content with simple sensory play, not particularly inquisitive with play materials, cannot complete an age-appropriate puzzle, but makes eye contact?

<p>Isolated cognitive dysfunction</p> Signup and view all the answers

What diagnosis might be considered for a child who uses gestures to communicate, has intact receptive language, follows simple commands, and is aware of the content of conversation, but has limited spoken language?

<p>Isolated expressive language dysfunction</p> Signup and view all the answers

What diagnosis might be considered if there is evidence of maltreatment or neglect, usually severe?

<p>Isolated deficiency of rearing environment</p> Signup and view all the answers

What are the 3 most common psychiatric co-occurring conditions with ASD?

<ul> <li>Intellectual disability (most common)</li> <li>ADHD (Attention-Deficit/Hyperactivity Disorder)</li> <li>Anxiety disorders</li> </ul> Signup and view all the answers

What are 4 common co-occurring medical conditions with ASD?

<ul> <li>Seizures / Epilepsy</li> <li>Gastrointestinal (GI) issues (e.g., constipation, reflux)</li> <li>Sleep disorders</li> <li>Motor impairments</li> </ul> Signup and view all the answers

What standardized tests can be used for diagnostic clarification of ASD?

<ul> <li>Autism Diagnostic Observation Schedule (ADOS)</li> <li>Autism Diagnostic Interview-Revised (ADI-R)</li> </ul> Signup and view all the answers

What tests can be used to assess IQ in individuals potentially having ASD?

<ul> <li>WISC/WASI (Wechsler Intelligence Scale for Children / Wechsler Abbreviated Scale of Intelligence) - for verbal abilities</li> <li>Leiter International Performance Scale - for nonverbal abilities</li> </ul> Signup and view all the answers

Who should a person with suspected syndromic ASD be referred to?

<p>Pediatric genetics</p> Signup and view all the answers

When is a referral to neurology particularly indicated for an individual with ASD?

<p>If seizures are present or suspected.</p> Signup and view all the answers

_____ is a systematic teaching method that breaks down skills to the smallest level that a child needs.

<p>Discrete Trial Training (DTT)</p> Signup and view all the answers

_____ is a systematic teaching method that uses discrete trials to build a child's skills to use requesting language that eventually advances to more fluent responses.

<p>Applied Verbal Behavior (AVB)</p> Signup and view all the answers

_____ impairments are frequently seen in children with ASD.

<p>Motor</p> Signup and view all the answers

Children with high-functioning autism (HFA) have poorer _____ and higher rates of _____ than their peers.

<p>fitness, obesity</p> Signup and view all the answers

Infants who later develop ASD have increased frequency of abnormal muscle _____.

<p>tone/hypotonia</p> Signup and view all the answers

How might gross motor coordination present in adults with ASD?

<p>Poor upper extremity (UE) and lower extremity (LE) coordination.</p> Signup and view all the answers

How might gross motor coordination delays present in toddlers and infants with ASD?

<p>Delays in achieving milestones like rolling (supine/prone transitions), sitting, and potentially walking (e.g., not walking by 2 years).</p> Signup and view all the answers

How might fine motor delays present in adults with ASD?

<p>Difficulties with dexterity (skilled hand and finger movements).</p> Signup and view all the answers

How might fine motor delays present in infants/toddlers with ASD?

<p>Difficulties with reaching and grasping, which may persist into 3 years of age.</p> Signup and view all the answers

What is an example of a motor stereotype that might be seen in infants/toddlers with ASD?

<p>Repetitive object banging, particularly noticeable in the second year of life.</p> Signup and view all the answers

Proficiency in motor skills at _____ years of age was a significant predictor of optimal outcomes at 4 years of age in children with ASD.

<p>2</p> Signup and view all the answers

_____ refers to mechanisms providing matching between observed and executed action; in ASD, deficits in this may have a cascade effect on mentalization.

<p>Motor resonance</p> Signup and view all the answers

_____ refers to mechanisms whereby observation of a movement may interfere with simultaneous execution of a movement; in ASD, reduced levels of this is a marker of social interaction difficulties due to impaired biological motion detection.

<p>Motor interference</p> Signup and view all the answers

The _____ motor system has been hypothesized to play a role in social cognition.

<p>cortical</p> Signup and view all the answers

What are the three required deficit areas in social communication and interaction for an Autism Spectrum Disorder diagnosis?

<p>Deficits in social reciprocity, nonverbal and verbal communication used for social interaction, and developing, maintaining, and understanding relationships.</p> Signup and view all the answers

What are the four types of restricted, repetitive patterns of behavior, interests, or activities seen in ASD, and how many are required for diagnosis?

<p>Stereotyped or repetitive motor movements, use of objects, or speech; insistence on sameness, inflexible adherence to routines, or ritualized patterns of behavior; highly restricted, fixated interests; hyper- or hyporeactivity to sensory input or unusual interests in sensory aspects of the environment. At least two are required for diagnosis.</p> Signup and view all the answers

Which sex is more commonly diagnosed with Autism Spectrum Disorder?

<p>Males</p> Signup and view all the answers

What is considered the most significant contributing factor to the development of Autism Spectrum Disorder?

<p>Genetics</p> Signup and view all the answers

Name a common screening tool used for identifying risk for Autism Spectrum Disorder in toddlers.

<p>M-CHAT (Modified Checklist for Autism in Toddlers)</p> Signup and view all the answers

List some early red flags (developmental milestones delays or losses) that might indicate a risk for Autism Spectrum Disorder.

<p>No big smiles or joyful expressions by 6 months; no back-and-forth sharing of sounds, smiles, or other facial expressions by 9 months; no babbling by 12 months; no words by 16 months; no meaningful, two-word phrases (not including imitating or repeating) by 24 months; any loss of speech, babbling, or social skills at any age.</p> Signup and view all the answers

What is considered the minimum age at which a reliable diagnosis of Autism Spectrum Disorder can often be made?

<p>18 months</p> Signup and view all the answers

Name three conditions that might be considered as differential diagnoses when evaluating a young child for Autism Spectrum Disorder.

<p>Isolated cognitive dysfunction (Intellectual Disability), isolated expressive language dysfunction, and isolated deficiency of the rearing environment (e.g., severe neglect).</p> Signup and view all the answers

Which differential diagnosis for ASD might be considered for a child who makes eye contact but is content with simple sensory play, is not inquisitive with toys, and cannot complete age-appropriate puzzles?

<p>Isolated cognitive dysfunction (Intellectual Disability)</p> Signup and view all the answers

Which differential diagnosis for ASD might be considered for a child who uses gestures to communicate, has intact receptive language, follows commands, and seems aware of conversations, but struggles with spoken language?

<p>Isolated expressive language dysfunction</p> Signup and view all the answers

Which differential diagnosis for ASD might be considered if there is evidence of severe maltreatment or neglect impacting a child's development?

<p>Isolated deficiency of rearing environment</p> Signup and view all the answers

What are three of the most common psychiatric conditions that co-occur with Autism Spectrum Disorder?

<p>Intellectual disability, Attention-Deficit/Hyperactivity Disorder (ADHD), and Anxiety disorders.</p> Signup and view all the answers

What are four common medical conditions that frequently co-occur with Autism Spectrum Disorder?

<p>Seizures (epilepsy), gastrointestinal (GI) problems, sleep disorders, and motor impairments.</p> Signup and view all the answers

Name two standardized assessment tools commonly used for diagnostic clarification of Autism Spectrum Disorder.

<p>Autism Diagnostic Observation Schedule (ADOS) and Autism Diagnostic Interview (ADI-R).</p> Signup and view all the answers

Name examples of tests used to assess IQ (Intelligence Quotient) in individuals being evaluated for ASD, considering both verbal and nonverbal abilities.

<p>WISC (Wechsler Intelligence Scale for Children) or WASI (Wechsler Abbreviated Scale of Intelligence) for verbal/overall IQ, and Leiter International Performance Scale for nonverbal IQ.</p> Signup and view all the answers

To whom should a referral be considered if an individual's Autism Spectrum Disorder is suspected to be part of a known genetic syndrome (syndromic ASD)?

<p>Pediatric Genetics</p> Signup and view all the answers

What specific co-occurring condition in an individual with ASD strongly indicates a need for referral to a neurologist?

<p>Seizures (epilepsy)</p> Signup and view all the answers

__________: systematic teaching method that breaks down skills to the smallest level that a child needs

<p>Discrete trial training</p> Signup and view all the answers

__________: systematic teaching method that uses discrete trials to build a child's skills to use requesting language that eventually advances to more fluent responses

<p>Applied Verbal Behavior</p> Signup and view all the answers

__________ impairments are frequently seen in children with ASD

<p>Motor</p> Signup and view all the answers

Children with high-functioning autism (HFA) have poorer __________ and higher rates of __________ than their typically developing peers.

<p>fitness, obesity</p> Signup and view all the answers

Infants who later develop ASD have increased frequency of abnormal muscle __________.

<p>tone/hypotonia</p> Signup and view all the answers

How might gross motor coordination difficulties manifest in adults with ASD?

<p>Poor upper extremity (UE) and lower extremity (LE) coordination.</p> Signup and view all the answers

What are some examples of gross motor delays or difficulties that might be observed in infants and toddlers with ASD?

<p>Delays or difficulties with achieving milestones related to supine, prone, and sitting positions; potential delays in walking (e.g., not walking by 2 years).</p> Signup and view all the answers

How might fine motor delays manifest in adults with ASD?

<p>Difficulties with dexterity (skilled hand and finger movements).</p> Signup and view all the answers

How might fine motor delays manifest in infants and toddlers with ASD?

<p>Difficulties with reaching and grasping skills, potentially persisting into 3 years of age.</p> Signup and view all the answers

Give an example of a motor stereotypy that might be observed in infants or toddlers with ASD, particularly during the second year of life.

<p>Repetitive object banging.</p> Signup and view all the answers

Proficiency in motor skills at __________ years of age was found to be a significant predictor of optimal outcomes at 4 years of age in children with ASD.

<p>2</p> Signup and view all the answers

__________: mechanisms providing matching between observed and executed action; in ASD, deficits in this system may have a cascade effect on mentalization (understanding others' mental states).

<p>Motor resonance</p> Signup and view all the answers

__________: mechanisms whereby observation of a movement may interfere with simultaneous execution of a movement; reduced levels of this are seen in ASD and may relate to social difficulties.

<p>Motor interference</p> Signup and view all the answers

The __________ motor system, involved in planning and executing movements, has been hypothesized to play a role in social cognition, potentially linking motor and social differences in ASD.

<p>cortical</p> Signup and view all the answers

What are the three required deficits in social communication and social interaction for an Autism Spectrum Disorder (ASD) diagnosis?

<p>Deficits in social-emotional reciprocity, deficits in nonverbal communicative behaviors used for social interaction, and deficits in developing, maintaining, and understanding relationships.</p> Signup and view all the answers

What are the four possible patterns of restricted, repetitive patterns of behavior, interests, or activities seen in ASD, and how many are required for diagnosis?

<p>Stereotyped or repetitive motor movements, use of objects, or speech; insistence on sameness, inflexible adherence to routines, or ritualized patterns of verbal/nonverbal behavior; highly restricted, fixated interests that are abnormal in intensity or focus; hyper- or hyporeactivity to sensory input or unusual interest in sensory aspects of the environment. At least two of these four patterns are required for diagnosis.</p> Signup and view all the answers

Is Autism Spectrum Disorder (ASD) more commonly diagnosed in males or females?

<p>Males</p> Signup and view all the answers

What is considered the most significant contributing factor to the development of Autism Spectrum Disorder (ASD)?

<p>Genetics</p> Signup and view all the answers

What is a commonly used screening tool for Autism Spectrum Disorder (ASD) in toddlers?

<p>M-CHAT (Modified Checklist for Autism in Toddlers)</p> Signup and view all the answers

What are some early developmental red flags that might indicate a risk for Autism Spectrum Disorder (ASD)?

<p>Lack of big smiles or joyful expressions by 6 months; no back-and-forth sharing of sounds, smiles, or other facial expressions by 9 months; no babbling by 12 months; no words by 16 months; no meaningful two-word phrases (not including imitating or repeating) by 24 months; any loss of speech, babbling, or social skills at any age.</p> Signup and view all the answers

What is generally considered the minimal age at which an Autism Spectrum Disorder (ASD) diagnosis can be reliably made?

<p>18 months</p> Signup and view all the answers

What are three potential conditions that should be considered as differential diagnoses when evaluating a young child for possible Autism Spectrum Disorder (ASD)?

<p>Isolated cognitive dysfunction (Intellectual Disability without ASD features), isolated expressive language dysfunction, and isolated deficiency of rearing environment (e.g., severe neglect).</p> Signup and view all the answers

What is a likely differential diagnosis for a child who is content with simple sensory play, is not inquisitive with play materials, cannot complete age-appropriate puzzles, but makes eye contact?

<p>Isolated cognitive dysfunction (Intellectual Disability)</p> Signup and view all the answers

What is a likely differential diagnosis for a child who uses gestures to communicate, has intact receptive language, follows simple commands, and is aware of conversational content, but has delayed speech?

<p>Isolated expressive language dysfunction</p> Signup and view all the answers

What differential diagnosis should be considered if there is evidence of severe maltreatment or neglect contributing to a child's developmental delays or behavioral concerns?

<p>Isolated deficiency of rearing environment</p> Signup and view all the answers

What are the three most common psychiatric conditions that co-occur with Autism Spectrum Disorder (ASD)?

<p>Intellectual Disability (most common), ADHD (Attention-Deficit/Hyperactivity Disorder), and Anxiety Disorders.</p> Signup and view all the answers

What are four common medical conditions that frequently co-occur with Autism Spectrum Disorder (ASD)?

<p>Seizures (Epilepsy), Gastrointestinal (GI) problems, Sleep disorders, and Motor impairments.</p> Signup and view all the answers

What are two standardized assessment tools often used for diagnostic clarification of Autism Spectrum Disorder (ASD)?

<p>Autism Diagnostic Observation Schedule (ADOS) and Autism Diagnostic Interview-Revised (ADI-R).</p> Signup and view all the answers

What are some examples of intelligence (IQ) tests that can be used for individuals being assessed for ASD, considering both verbal and nonverbal abilities?

<p>Verbal scales like the Wechsler Intelligence Scale for Children (WISC) or Wechsler Abbreviated Scale of Intelligence (WASI), and nonverbal scales like the Leiter International Performance Scale.</p> Signup and view all the answers

To whom should a referral be made if an individual is suspected of having syndromic Autism Spectrum Disorder (ASD)?

<p>Pediatric Genetics</p> Signup and view all the answers

In the context of ASD assessment or management, when is a referral to Neurology typically indicated?

<p>If seizures are present or suspected.</p> Signup and view all the answers

__________: systematic teaching method that breaks down skills to the smallest level that a child needs

<p>Discrete Trial Training (DTT)</p> Signup and view all the answers

__________: systematic teaching method that uses discrete trials to build a child's skills to use requesting language that eventually advances to more fluent responses

<p>Applied Verbal Behavior (AVB)</p> Signup and view all the answers

__________ impairments are frequently seen in children with ASD

<p>Motor</p> Signup and view all the answers

Children with high-functioning autism (HFA) have poorer __________ and higher rates of __________ than their peers

<p>fitness, obesity</p> Signup and view all the answers

Infants who later develop ASD have increased frequency of abnormal muscle __________

<p>tone/hypotonia</p> Signup and view all the answers

How might gross motor coordination typically present in adults with ASD?

<p>Poor upper extremity (UE) and lower extremity (LE) coordination.</p> Signup and view all the answers

What are some potential gross motor coordination challenges or delays observed in toddlers and infants with ASD?

<p>Delays or difficulties with achieving milestones like rolling (supine/prone transitions), sitting independently, and potentially delayed walking (e.g., walking at 2 years).</p> Signup and view all the answers

How might fine motor delays manifest in adults with ASD?

<p>Difficulties with dexterity.</p> Signup and view all the answers

What fine motor delays might be observed in infants and toddlers with ASD, potentially persisting longer than typical?

<p>Difficulties with reaching and grasping skills may persist into 3 years of age.</p> Signup and view all the answers

What is an example of a motor stereotypy that might be observed in infants or toddlers with ASD during their second year?

<p>Repetitive object banging.</p> Signup and view all the answers

Proficiency in motor skills at __________ years of age was a significant predictor of optimal outcomes at 4 years of age in children with ASD

<p>2</p> Signup and view all the answers

__________: mechanisms providing matching between observed and executed action; in ASD, deficits in motor resonance may have a cascade effect on mentalization

<p>Motor resonance</p> Signup and view all the answers

__________: mechanisms whereby observation of a movement may interfere with simultaneous execution of a movement; in ASD, reduced motor interference is a marker of social interaction difficulties due to impaired biological motion detection

<p>Motor interference</p> Signup and view all the answers

The __________ motor system has been hypothesized to play a role in social cognition

<p>cortical</p> Signup and view all the answers

Flashcards

ASD: Social Communication Deficits

Deficits include impairments in social reciprocity, nonverbal and verbal communication, and developing and maintaining peer relationships.

ASD: Restricted/Repetitive Patterns

Patterns include stereotyped motor or verbal behaviors, excessive routines, fixated interests, and sensory reactivity. Two patterns are needed for diagnosis.

ASD: Gender Prevalence

Males are more frequently diagnosed with Autism Spectrum Disorder compared to females.

ASD: Common Cause

The most common cause of Autism Spectrum Disorder is related to genetic factors.

Signup and view all the flashcards

ASD: Screening Tool

M-CHAT (Modified Checklist for Autism in Toddlers) is a screening tool used for Autism Spectrum Disorder.

Signup and view all the flashcards

ASD: Early Red Flags

Red flags include: no smiles by 6 months, no shared expressions by 9 months, no babbling by 12 months, no words by 16 months, no 2-word phrases by 24 months, or loss of speech/social skills.

Signup and view all the flashcards

ASD: Diagnosis Age

The minimal reliable age for diagnosing Autism Spectrum Disorder is 18 months.

Signup and view all the flashcards

ASD: Differential Diagnoses

Differential diagnoses include: isolated cognitive dysfunction, isolated expressive language dysfunction, and isolated deficiency of rearing environment.

Signup and view all the flashcards

Isolated cognitive dysfunction

Content with simple sensory play; not inquisitive with play materials, cannot complete age-appropriate puzzle, makes eye contact.

Signup and view all the flashcards

Isolated Expressive Language Dysfunction

Child uses gestures, receptive language intact, follows simple commands, aware of conversation content.

Signup and view all the flashcards

Isolated Deficiency of Rearing Environment

Evidence of maltreatment or neglect, usually severe.

Signup and view all the flashcards

ASD: Psychiatric Comorbidities

Intellectual disability, ADHD, and anxiety are the most common co-occurring psychiatric conditions.

Signup and view all the flashcards

ASD: Medical Comorbidities

Seizures, GI issues, sleep disturbances, and motor impairments are common co-occurring medical conditions.

Signup and view all the flashcards

ASD: Diagnostic Tests

Autism Diagnostic Observation Schedule (ADOS) and Autism Diagnostic Interview-Revised (ADI-R).

Signup and view all the flashcards

ASD: IQ Tests

Wechsler Intelligence Scale for Children (WISC) or Wechsler Adult Scale of Intelligence (WASI) for verbal IQ, and Leiter for nonverbal IQ.

Signup and view all the flashcards

Syndromic ASD Referral

Refer to pediatric genetics for individuals with syndromic ASD.

Signup and view all the flashcards

ASD and Seizures Referral

Refer to neurology for individuals with seizures.

Signup and view all the flashcards

Discrete Trial Training

Discrete trial training is a systematic teaching method that breaks down skills to the smallest level.

Signup and view all the flashcards

Applied Verbal Behavior

Applied Verbal Behavior is a systematic teaching method using discrete trials to build a child's requesting language.

Signup and view all the flashcards

ASD: Motor Impairments

Motor impairments are frequently seen in children with ASD.

Signup and view all the flashcards

HFA: Fitness and Obesity

Children with high-functioning autism have poorer fitness and higher rates of obesity than their peers.

Signup and view all the flashcards

ASD: Hypotonia

Infants who later develop ASD have increased frequency of abnormal muscle tone/hypotonia.

Signup and view all the flashcards

ASD Gross Motor Delay (Adults)

Poor upper and lower extremity coordination in adults with ASD.

Signup and view all the flashcards

ASD Gross Motor Delay (Toddlers)

Difficulties in prone/supine/sitting positions; walking at 2 years in toddlers and infants with ASD.

Signup and view all the flashcards

ASD Fine Motor Delay (Adults)

Dexterity issues in adults with ASD.

Signup and view all the flashcards

ASD Fine Motor Delay (Toddlers)

Reaching/grasping persists into 3 years in infants/toddlers with ASD.

Signup and view all the flashcards

ASD: Motor Stereotypes

Repetitive object banging in 2nd year of life in infants/toddlers.

Signup and view all the flashcards

ASD: Motor Skills at 2

Proficiency in motor skills at 2 years of age was a significant predictor of optimal outcomes at 4 years of age in children with ASD.

Signup and view all the flashcards

Motor Resonance

Mechanisms providing matching between observed and executed action; in ASD, deficits in motor resonance may have a cascade effect on mentalization.

Signup and view all the flashcards

Motor Interference

Observation of a movement may interfere with simultaneous execution of a movement; in ASD, reduced motor interference marks social interaction difficulties.

Signup and view all the flashcards

Cortical Motor System

The cortical motor system has been hypothesized to play a role in social cognition.

Signup and view all the flashcards

Study Notes

  • Individuals with Autism Spectrum Disorder (ASD) exhibit deficits in social reciprocity, nonverbal and verbal communication, and developing/maintaining peer relationships.
  • Patterns seen in ASD include stereotyped motor or verbal behaviors/unusual sensory interests, excessive adherence to routines, fixated/restricted interests, and hyper- or hypo-reactivity to sensory input; two of these patterns are needed for diagnosis.
  • Males are more likely to have autism than females.
  • Genetics are the most common cause of ASD.
  • The M-CHAT is a screening tool used for ASD.
  • Early red flags for ASD include:
    • No big smiles or joyful expressions by 6 months
    • No sounds or expression sharing by 9 months
    • No babbling by 12 months
    • No words by 16 months
    • No 2-word phrases by 24 months
    • Loss of speech, babbling, or social skills
  • The minimal reliable age for diagnosing ASD is 18 months.
  • Early differential diagnoses for ASD include isolated cognitive dysfunction, isolated expressive language dysfunction, and isolated deficiency of rearing environment.

Isolated Cognitive Dysfunction

  • Content with simple sensory play but not inquisitive with play materials
  • Unable to complete an age-appropriate puzzle
  • Makes eye contact

Isolated Expressive Language Dysfunction

  • Uses gestures to communicate
  • Receptive language is intact
  • Follows simple commands
  • Aware of the content of conversation

Isolated Deficiency of Rearing Environment

  • Evidence of maltreatment or neglect is present, usually severe

Co-occurring Conditions

  • The three most common psychiatric co-occurring conditions are intellectual disability (most common), ADHD, and anxiety.
  • The four most common medical co-occurring conditions are seizures, GI issues, sleep disturbances, and motor impairments.
  • The Autism Diagnostic Observation Schedule and Autism Diagnostic Interview are used for diagnostic clarification.
  • The WISC/WASI (verbal) and Leiter (nonverbal) tests are used to assess IQ.
  • Individuals with syndromic ASD should be referred to pediatric genetics.
  • Referrals to neurology should be made in cases of seizures.
  • Discrete trial training is a systematic teaching method that breaks down skills to the smallest level a child needs.
  • Applied Verbal Behavior is a systematic teaching method that uses discrete trials to build a child's skills to use requesting language, eventually advancing to more fluent responses.
  • Motor impairments are frequently observed in children with ASD.
  • Children with high-functioning autism (HFA) tend to have poorer fitness and higher rates of obesity compared to their peers.
  • Infants who later develop ASD may exhibit an increased frequency of abnormal muscle tone/hypotonia.

Gross Motor Coordination

Adults with ASD

  • Poor upper and lower extremity coordination

Toddlers and Infants with ASD

  • Delays in supine/prone/sitting positions, and walking at 2 years

Fine Motor Delay

Adults with ASD

  • Dexterity is affected

Infants/Toddlers with ASD

  • Reaching/grasping skills persist into 3 years

Motor Stereotypes (Infants/Toddlers)

  • Repetitive object banging is seen in the second year of life.
  • Proficiency in motor skills at 2 years of age is a significant predictor of optimal outcomes at 4 years of age in children with ASD.
  • Motor resonance refers to mechanisms providing matching between observed and executed actions; deficits in motor resonance in ASD may have a cascade effect on mentalization.
  • Motor interference refers to mechanisms whereby observation of a movement may interfere with simultaneous execution of a movement; reduced motor interference in ASD is a marker of social interaction difficulties due to impaired biological motion detection.
  • The cortical motor system has been hypothesized to play a role in social cognition.

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