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Is Lack of Motivation More Indicative of Depression or ADHD? 

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Updated
ByMy Patient Advice
Author: Avery Lombardi, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

A common question in mental health is whether a lack of motivation is more indicative of ADHD or depression. Both conditions can lead to difficulties in getting things done, but the underlying causes and manifestations are quite different. Understanding the root of motivation in ADHD vs depression can help in diagnosing and finding the right approach for treatment. 

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Exploring Lack of Motivation in ADHD vs Depression 

In ADHD, the lack of motivation is often linked to executive function difficulties, which include challenges with planning, organisation, and follow-through. Individuals with ADHD may struggle to start or complete tasks, not because they lack interest, but due to difficulties in managing time, setting priorities, or sustaining focus.  

In contrast, depression leads to a more pervasive sense of mental energy depletion. A person with depression may feel an overwhelming sense of fatigue, even when resting. This lack of mental energy can make even the simplest tasks feel insurmountable. Unlike ADHD, where motivation may vary depending on external factors, depression often causes a deep, consistent feeling of apathy, lack of interest, and an inability to feel joy or purpose. 

How It Feels: Key Symptoms of Lack of Motivation 

To better understand the different ways lack of motivation presents in ADHD and depression, let’s look at key symptoms: 

  • Motivation in ADHD: Individuals with ADHD may find it difficult to start or finish tasks due to executive function challenges. They may also be easily distracted by more stimulating tasks, making long-term focus a struggle. Treatment can include CBT and medications that improve focus and task management.  
  • Motivation in Depression: The lack of motivation in depression is often accompanied by a sense of mental exhaustion and emotional numbness. Antidepressants and therapy can help restore energy and a sense of purpose. Unlike ADHD, motivation in depression tends to be consistently low, affecting both small and large tasks. 

Understanding the differences in motivation in ADHD vs depression can help guide treatment and improve overall mental health.  

Visit providers like ADHD Certify for personal consultations and expert guidance tailored to your unique situation. 

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Differential Diagnosis of ADHD.

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Avery Lombardi, MSc
Author

Avery Lombardi is a clinical psychologist with a Master’s in Clinical Psychology and a Bachelor’s in Psychology. She has professional experience in psychological assessment, evidence-based therapy, and research, working with both child and adult populations. Avery has provided clinical services in hospital, educational, and community settings, delivering interventions such as CBT, DBT, and tailored treatment plans for conditions including anxiety, depression, and developmental disorders. She has also contributed to research on self-stigma, self-esteem, and medication adherence in psychotic patients, and has created educational content on ADHD, treatment options, and daily coping strategies.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy. 

Dr. Rebecca Fernandez, MBBS
Reviewer

Dr. Rebecca Fernandez is a UK-trained physician with an MBBS and experience in general surgery, cardiology, internal medicine, gynecology, intensive care, and emergency medicine. She has managed critically ill patients, stabilised acute trauma cases, and provided comprehensive inpatient and outpatient care. In psychiatry, Dr. Fernandez has worked with psychotic, mood, anxiety, and substance use disorders, applying evidence-based approaches such as CBT, ACT, and mindfulness-based therapies. Her skills span patient assessment, treatment planning, and the integration of digital health solutions to support mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the reviewer's privacy. 

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