HomeHealth articlesadhdWhat Is the Difference Between Autism and Attention-Deficit Hyperactivity Disorder

Autism versus Attention-Deficit Hyperactivity Disorder: Exploring the Difference

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The neurodevelopmental disorder impacts the brain areas and pathways to present the behavioral differences in the child. Read the article to know more.

Medically reviewed by

Dr. Vishal Anilkumar Gandhi

Published At November 14, 2023
Reviewed AtApril 1, 2024

Introduction

Attention deficit or hyperactivity disorder (ADHD) and autism are neurodevelopmental conditions that affect the brain's sensory input and cognitive (thinking) processes. Both impact

  • Executive functioning (challenges that may include difficulty organizing tasks, memory, concentration, object permeance, decision-making, and regulating attention).

  • Attention processes.

  • Sensory processing.

Autism and attention deficit hyperactivity disorder (ADHD) can resemble one another. Both conditions might cause focusing issues in kids. They may lack patience or have trouble communicating. They might struggle academically and interpersonally. Despite having many of the same symptoms, the two diseases are different.

A group of connected developmental diseases known as autism spectrum disorders can impact a person's language development, behavior, social skills, and learning capacity. ADHD is a common condition that might affect one's capacity to focus, maintain composure, or consider decisions before acting. Early diagnosis and appropriate treatment enable children to make necessary developmental and academic gains. People with these conditions are capable of leading fulfilling lives.

What Is Attention-Deficit Hyperactivity Disorder?

Attention deficit or hyperactivity disorder (ADHD) is childhood's most common mental disorder that progresses into adulthood in a different form. Attention deficit or hyperactivity disorder (ADHD) is considered a chronic and debilitating mental illness that is characterized by three behavioral aspects:

  • Attention-Deficit: Lack of attention - unable to focus.

  • Hyperactivity: Implies excess movement irrelevant to the environment

  • Impulsivity: Refers to sudden acts that occur at the moment without thought.

The condition generally impacts the individual academic and professional aspects, interpersonal connections, and daily routine. In addition, the disorder impacts childhood's developmental years and replaces them with detrimental results such as poor self-esteem, poor self-worth, sensitivity towards criticism, and increased self-criticism.

What Is Autism?

Autism spectrum disorder (ASD) is a complex neurological and developmental disability that refers to a broad range of conditions that involve persistent challenges with social communication, repetitive behaviors, speech, and nonverbal communication mainly caused by differences in the brain. Autism spectrum disorder (ASD) children may behave, communicate, interact, and learn in patterns that are different from most other individuals. Often, nothing related to how they look puts them apart from others. ASD initiates before three years and can last throughout an individual’s life, although symptoms can improve over time with treatments. These patients also have anxiety, depression, attention deficit, or hyperactivity disorder.

What Are the Common Symptoms of Autism Spectrum Disorder (ASD) And Attention Deficit or Hyperactivity Disorder (ADHD)?

The overlapping symptoms that are shared by the neurodevelopmental disorders are as follows:

  • Impulsivity: Inappropriate or unnecessary speaking out of turn.

  • Lack Of Focus: In ADHD (attention deficit hyperactivity disorder), child is being diverted by external events, whereas in autism, patient is being distracted by their thoughts and ideas.

  • Difficulties In Executive Functioning: Difficulties in managing time, tasks, and projects.

  • Difficulties in Social Interaction: ADHD patients are related to inattention and impulsivity. At the same time, autistic children have more difficulties intuitively determining social cues, body language, or acquaintance pretense and difficulty switching tasks at one time.

  • Learning differences and disabilities.

  • Sensory Challenges: These are related to how the brain processes sensory input, which is associated with over or under-responsiveness to light, sound, and touch.

  • Emotional Immaturity: Difficulty in controlling anger and frustration.

  • Interoception Issues: Refers to the capability to sense internal physiological signals, such as signals associated with micturition, hunger, thirst, and emotions. While outcomes among ADHD children are more mixed and based on the studies, it is suggested that ADHD and autistics children struggle with interoception at higher rates than the general populace.

  • Time perception: Referred to as time blindness. it is somewhat associated with interoception in both ADHD and autistics child who tends to struggle with an altered perception of time sometimes.

  • Stimming (Hyperactivity/Repetitive Movement): The use of repetitive movement to regulate is seen in autistic and ADHD children.

  • Gender and Sexual Diversity: Autistics and ADHDers are more likely to be gender diverse. These people cannot identify with the sex assigned at birth.

  • Eating Disorders: ADHD and Autistics children are struggling with eating disorders, with anorexia appearing to be more common than Bulimia among Autistics. In contrast, rates of anorexia and Bulimia are roughly equal among ADHD-suffering individuals.

  • Victimization: This Is correlated with an advanced risk of peer victimization.

  • Co-occurring Mental Health Conditions: Such as depression and anxiety.

  • Hyper-Fixation and Hyper-Focus: Associated with impulsivity.

  • Rejection Sensitivity Dysphoria: Fear of rejection and criticism.

  • Addiction: Related to a tendency to self-medicate, self-soothe overactive nervous systems, and regulate sensory experiences.

  • Self-Harm and Suicidality: Self-harm may occur as an attempt to control sensory load and regulate difficult emotions. Self-harm is alarmingly for ADHD children, mainly seen in females.

What Are the Causes of Autism Spectrum Disorder (ASD) And Attention Deficit or Hyperactivity Disorder (ADHD)?

Causes of Attention Deficit or Hyperactivity Disorder (ADHD):

  • Brain or head injury.

  • Environmental exposure, such as lead content in the body.

  • Pre-natal exposure to alcohol or tobacco (nicotine).

  • Premature delivery.

  • Low birth weight.

Causes of Autism

The specific cause remains genetic, and other factors play a role in developmental disorders:

  • Fragile X syndrome.

  • Fetal exposure to specific drugs such as valproic acid and thalidomide.

  • The advanced parental age of either parent is prone to have a child with autism.

  • Down syndrome.

  • Opioid abuse before pregnancy.

What Are the Differences and Similarities in the Treatment Modalities Of Autism Spectrum Disorder (ASD) And Attention Deficit or Hyperactivity Disorder (ADHD)?

  • A medical professional can guide best based on the analysis and determining the cause and symptoms. The combination approach towards neurodevelopment disorder has shown miracle results and outcomes.

  • Treatment for Attention deficit or hyperactivity disorder usually incorporates medication. On the other hand, because the pharmaceutical options for Autism spectrum disorder are still limited, youngsters with ASD may respond more satisfactorily to non-medication alternatives, mostly psychotherapy approaches like- Behavior therapy to assist and manage symptoms and skills training to aid in coping with daily life.

  • Antipsychotic medications for ADHD are helpful to the child. At the same time, the overlapping of ASD symptoms with ADHD, such as hyperactivity, impulsiveness, and inattention, may respond well to the medications used to treat ADHD.

Conclusion

Both neurodevelopmental disorders are different in cause and effect but have overlapping similarities of symptoms associated with co-existing mental conditions and treatment plans. The condition affects the brain neurons, the chemical signals, and nerve cells, which communicate with each other and entire regions of the brain communication. Research continues to explore these distinctions to forge treatments and supports that can enhance the quality of life.

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Dr. Vishal Anilkumar Gandhi
Dr. Vishal Anilkumar Gandhi

Psychiatry

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