Neurodevelopmental disorders (ADHD, autism)

Neurodevelopmental disorders (ADHD, autism) US Medical PG Question 1: A group of neurologists develop a new blood test for Alzheimer's. They are optimistic about the test, as they have found that for any given patient, the test repeatedly produces very similar results. However, they find that the new test results are not necessarily consistent with the gold standard of diagnosis. How would this new test most accurately be described?

• A. Valid and reliable
• B. Reliable (Correct Answer)
• C. Valid
• D. Biased
• E. Neither valid nor reliable

Neurodevelopmental disorders (ADHD, autism) Explanation: ***Reliable*** - The test produces **similar results repeatedly** upon repeated measures, indicating high **reliability** or **precision**. - Reliability refers to the **consistency** of a measure, even if it is not accurate. *Valid and reliable* - While the test is **reliable**, it is explicitly stated that the results are **not consistent with the gold standard**, meaning it lacks **validity**. - A test must be both **consistent** (reliable) and **accurate** (valid) to be described as valid and reliable. *Valid* - **Validity** refers to the **accuracy** of a test, or how well it measures what it is supposed to measure. - The test is explicitly stated to **not be consistent with the gold standard**, indicating a lack of agreement with the true measure of Alzheimer's. *Biased* - **Bias** refers to a **systematic error** in measurement that can lead to consistently high or low results compared to the true value. - While the test might be biased due to its lack of consistency with the gold standard, "biased" is not the most accurate single descriptor of its measurement properties given the information provided. *Neither valid nor reliable* - The test is described as producing **very similar results repeatedly**, which directly indicates it has **high reliability**. - Therefore, stating it is neither valid nor reliable is incorrect, as it possesses reliability.

Neurodevelopmental disorders (ADHD, autism) US Medical PG Question 2: A 4-year-old boy is brought to the physician by his parents because of concerns about his behavior during the past year. His parents report that he often fails to answer when they call him and has regular unprovoked episodes of crying and screaming. At kindergarten, he can follow and participate in group activities, but does not follow his teacher's instructions when these are given to him directly. He is otherwise cheerful and maintains eye contact when spoken to but does not respond when engaged in play. He gets along well with friends and family. He started walking at the age of 11 months and can speak in two-to-three-word phrases. He often mispronounces words. Which of the following is the most likely diagnosis?

• A. Selective mutism
• B. Hearing impairment (Correct Answer)
• C. Conduct disorder
• D. Specific-learning disorder
• E. Autistic spectrum disorder

Neurodevelopmental disorders (ADHD, autism) Explanation: ***Hearing impairment*** - The child's inconsistent response to being called, failure to follow direct instructions, and unprovoked crying and screaming, despite maintaining eye contact and having normal social interactions, are all suggestive of a **hearing impairment**. - His delayed and unusual speech patterns (two-to-three-word phrases, mispronouncing words) for his age further points to **auditory processing difficulties** due to hearing loss. *Selective mutism* - This condition involves a consistent failure to speak in specific social situations where speaking is expected, despite speaking in other situations. The child's issue is with comprehending and responding to speech, not with speaking itself. - The behavior observed (not responding to calls or direct instructions) is more indicative of an inability to hear rather than a choice not to speak. *Conduct disorder* - Conduct disorder is characterized by a persistent pattern of behavior that violates the rights of others and major societal norms appropriate for the individual's age. - The child's symptoms do not include aggression, destruction of property, deceitfulness, or serious rule violations and he gets along well with friends and family. *Specific-learning disorder* - A specific learning disorder involves difficulties with academic skills, despite normal intelligence. While he has speech difficulties, he can participate in group activities, and there is no information about his academic performance. - The primary concern here is his inability to respond to auditory input, which precedes and likely causes any potential learning difficulties rather than being a learning disorder itself. *Autistic spectrum disorder* - Autism spectrum disorder is characterized by persistent deficits in social communication and social interaction across multiple contexts, and restricted, repetitive patterns of behavior, interests, or activities. - This child maintains eye contact, is cheerful, gets along well with friends and family, and can participate in group activities, which argues against significant **social communication deficits** typical of autism.

Neurodevelopmental disorders (ADHD, autism) US Medical PG Question 3: An 8-year-old boy is brought to the physician by his mother for a well-child examination at a clinic for low-income residents. Although her son's elementary school offers free afterschool programming, her son has not been interested in attending. Both the son's maternal and paternal grandmothers have major depressive disorder. The mother is curious about the benefits of afterschool programming and asks for the physician's input. Which of the following statements best addresses the potential benefits of afterschool programming for this child?

• A. High-quality afterschool programming would decrease this patient's risk of developing major depressive disorder.
• B. High-quality afterschool programming for low-income 8-year-olds may correlate with decreased ADHD risk in adults. (Correct Answer)
• C. High-quality afterschool programming has a greater effect on reducing psychotic disorder risk in adults than bipolar disorder risk.
• D. High-quality afterschool programming has a greater effect on reducing ADHD risk in adults than major depressive disorder risk.
• E. The patient's family history of psychiatric illness prevents any potential benefits from afterschool programming.

Neurodevelopmental disorders (ADHD, autism) Explanation: ***High-quality afterschool programming for low-income 8-year-olds may correlate with decreased ADHD risk in adults.*** - Research, including systematic reviews and longitudinal studies, indicates that structured, high-quality afterschool programs can lead to improved behavioral outcomes and reduced risk of **ADHD symptoms** persisting into adulthood, especially in **vulnerable populations** such as low-income children. - These programs foster **social-emotional skills**, provide academic support, and promote healthy development, indirectly mitigating factors associated with ADHD through improved executive function and self-regulation. *High-quality afterschool programming would decrease this patient's risk of developing major depressive disorder.* - While afterschool programs provide mental health benefits through **social support** and structured activities, the direct reduction in risk of **major depressive disorder** is less consistently demonstrated compared to behavioral outcomes. - Given the strong **family history** (both grandmothers affected), genetic factors play a significant role that afterschool programming alone cannot fully mitigate. *The patient's family history of psychiatric illness prevents any potential benefits from afterschool programming.* - Family history is a **risk factor** but does not negate the benefits of **preventive interventions** like afterschool programs. - Evidence-based programs can still provide protective effects on mental health and behavioral outcomes, even in children with genetic vulnerabilities. *High-quality afterschool programming has a greater effect on reducing psychotic disorder risk in adults than bipolar disorder risk.* - There is **insufficient evidence** to support significant impacts of childhood afterschool programming specifically on reducing the risk of **psychotic disorders** or **bipolar disorder** in adulthood. - These conditions have strong genetic and neurobiological components that are not primarily addressed by afterschool interventions. *High-quality afterschool programming has a greater effect on reducing ADHD risk in adults than major depressive disorder risk.* - While this comparison has some support in the literature, the **correct answer** is more appropriately hedged and specific to the patient population (low-income 8-year-olds). - Both conditions can benefit from afterschool programming, but the evidence for **behavioral regulation** and ADHD symptom reduction is more robust and consistent.

Neurodevelopmental disorders (ADHD, autism) US Medical PG Question 4: A 5-year-old boy is brought to the physician by his mother because he does not “listen to her” anymore. The mother also reports that her son cannot concentrate on any tasks lasting longer than just a few minutes. Teachers at his preschool report that the patient is more active compared to other preschoolers, frequently interrupts or bothers other children, and is very forgetful. Last year the patient was expelled from another preschool for hitting his teacher and his classmates when he did not get what he wanted and for being disruptive during classes. He was born at term via vaginal delivery and has been healthy except for 3 episodes of acute otitis media at the age of 2 years. He has met all developmental milestones. His mother has major depressive disorder and his father has Graves' disease. He appears healthy and well nourished. Examination shows that the patient does not seem to listen when spoken to directly. The remainder of the examination shows no abnormalities. Which of the following is the most appropriate next step in treatment?

• A. Methylphenidate
• B. Methimazole
• C. Behavior therapy (Correct Answer)
• D. Fluoxetine
• E. Hearing aids

Neurodevelopmental disorders (ADHD, autism) Explanation: ***Behavior therapy*** - For **preschool-aged children (ages 4-5 years)** with ADHD symptoms, **behavior therapy** is recommended as the **first-line treatment**. - This approach focuses on teaching parents and caregivers strategies to manage challenging behaviors and improve communication, promoting positive behavioral changes in the child. *Methylphenidate* - **Stimulant medications** like methylphenidate are generally considered **second-line treatment** for ADHD in preschool-aged children. - While effective, their use in this age group is typically reserved for cases where behavior therapy alone has not yielded sufficient improvement. *Methimazole* - **Methimazole** is an **antithyroid medication** used to treat **hyperthyroidism**, such as **Graves' disease**. - This medication is irrelevant to the child's behavioral symptoms and is used for the father's condition. *Fluoxetine* - **Fluoxetine** is a **selective serotonin reuptake inhibitor (SSRI)** primarily used to treat **depression** and **anxiety disorders**. - While the mother has major depressive disorder, fluoxetine is not indicated for the child's ADHD-like symptoms. *Hearing aids* - Although the child has a history of recurrent **otitis media**, there is **no current evidence** of hearing impairment affecting his development or behavior. - Furthermore, his developmental milestones were met, suggesting that any past hearing issues were transient or did not significantly impact his overall development.

Neurodevelopmental disorders (ADHD, autism) US Medical PG Question 5: A 10-year-old child is sent to the school psychologist in May because he refuses to comply with the class rules. His teacher says this has been going on since school started back in August. He gets upset at the teacher regularly when he is told to complete a homework assignment in class. Sometimes he refuses to complete them altogether. Several of his teachers have reported that he intentionally creates noises in class to interrupt the class. He tells the psychologist that the teacher and his classmates are at fault. What is the most appropriate treatment?

• A. Cognitive-behavioral therapy (Correct Answer)
• B. Interpersonal therapy
• C. Administration of lithium
• D. Motivational interviewing
• E. Administration of clozapine

Neurodevelopmental disorders (ADHD, autism) Explanation: ***Cognitive-behavioral therapy*** - This child exhibits symptoms consistent with **Oppositional Defiant Disorder (ODD)**, including persistent refusal to comply with rules, anger outbursts, and blaming others. **CBT** is a highly effective treatment for ODD, teaching children coping skills, anger management, and problem-solving. - CBT helps children identify and change **maladaptive thought patterns** and behaviors, which is crucial for managing the defiant and argumentative behaviors seen in ODD. *Interpersonal therapy* - **Interpersonal therapy (IPT)** primarily focuses on improving interpersonal relationships and communication patterns, often used for depression or eating disorders. - While improved relationships might be a secondary benefit, IPT does not directly target the core **defiant behaviors** and **anger management** issues central to ODD. *Administration of lithium* - **Lithium** is a mood stabilizer primarily used in the treatment of **bipolar disorder** and severe mood dysregulation. - There is no indication from the provided symptoms (defiance, anger, blaming others) that the child is experiencing a mood disorder that would warrant lithium. *Motivational interviewing* - **Motivational interviewing** is a counseling approach that helps individuals resolve ambivalence to change, often used in substance abuse or health behavior change. - While it can be useful in encouraging willingness to engage in therapy, it is not a direct therapeutic modality for addressing the specific **behavioral challenges** and **underlying cognitive distortions** of ODD. *Administration of clozapine* - **Clozapine** is an antipsychotic medication reserved for severe mental illnesses like **treatment-resistant schizophrenia** due to its significant side effects. - The child's symptoms of defiance and rule-breaking are not indicative of a psychotic disorder requiring antipsychotic medication.

Neurodevelopmental disorders (ADHD, autism) Flashcard 1 of 5

Question: Treatment for separation anxiety disorder includes _____, play therapy, and family therapy

Answer: CBT

Neurodevelopmental disorders (ADHD, autism) Flashcard 2 of 5

Question: Autism spectrum disorder must present in _____ (age group)

Answer: early childhood

Neurodevelopmental disorders (ADHD, autism) Flashcard 3 of 5

Question: Attention-deficit hyperactivity disorder (ADHD) is associated with _____ intelligence that coexists with difficulties in school

Answer: normal

Neurodevelopmental disorders (ADHD, autism) Flashcard 4 of 5

Question: What other psychiatric disorders (2) are associated with Tourette syndrome? _____

Answer: OCD and ADHD

Neurodevelopmental disorders (ADHD, autism) Flashcard 5 of 5

Question: Non-pharmacological treatment for Tourette syndrome includes _____ and behavioral therapy

Answer: psychoeducation