ADHD: When mental fatigue gradually weakens emotional balance
- drissboussaoud
- 3 days ago
- 5 min read
ADHD is often associated with attention difficulties or hyperactivity. However, for many children, adolescents, and adults, the daily reality is primarily one of a constantly stimulated brain: thoughts that follow one another without end, difficulty organizing tasks, significant mental fatigue, a feeling of being overwhelmed, or the impression of having to make considerable efforts for things that seem simple to others.
Over time, this constant cognitive overload can undermine self-esteem, increase stress, and foster anxiety, discouragement, or emotional exhaustion. Neuroscience now shows that ADHD affects much broader systems involved in attention, working memory, emotional regulation, and executive functions.
In this article, we will explore how certain cognitive difficulties sometimes end up becoming real psychological suffering, but also why the gaze, presence and reactions of those around them play a much more important role than we think in the emotional development of children and adults with ADHD.
For a long time, ADHD was primarily presented as an attention deficit or hyperactivity disorder. The classic image often remains that of a child who is very fidgety, interrupts the class, forgets their belongings, or has difficulty concentrating.
But when you really listen to the children, teenagers, adults involved... and often their families, another reality gradually emerges.
That of a brain that seems to be constantly operating at full capacity.
Some people describe the feeling of having too many thoughts at once, of quickly losing track, of forgetting what they were doing a few seconds earlier, or of having to make considerable efforts to accomplish tasks that seem simple to others.
Others speak mainly of a permanent exhaustion: the fatigue of having to continually reorganize, catch up on oversights, fight against distraction or try to maintain an attention that seems to escape them almost against their will.
Over time, this cognitive overload can become much more than a simple difficulty with attention. It sometimes ends up profoundly affecting self-esteem, relationships with others, and emotional balance.
Working memory: this invisible function that supports everyday life
Among the executive functions involved in ADHD, working memory plays a particularly important role.
It is not simply “memory” in the classical sense of the term . Working memory corresponds rather to the brain's ability to temporarily maintain active information in order to be able to think, organize an action, follow an instruction or manage several elements at the same time.
It is constantly involved in extremely simple everyday situations: following a conversation, listening to instructions in class, packing your bag, organizing your day, cooking, managing several tasks at the same time or finishing what you had started.
When this function becomes fragile, daily life can quickly become very costly in terms of mental energy.
Some people then feel constantly overwhelmed by tasks that seem trivial to those around them.
A rapidly saturated brain
For many children and adults with ADHD, the problem is not solely about difficulty maintaining attention.
It is also the difficulty in filtering information, slowing down the mental flow, prioritizing, or regulating emotions when the brain begins to become overloaded.
In children, this can translate to:
significant unrest,
impulsive reactions,
quick tempers,
academic difficulties
or emotional hypersensitivity that is sometimes misunderstood.
At school, some children spend a large part of their day trying to keep up with an attentional pace that requires considerable effort. From constantly hearing:
“Concentrate”, “You could do it if you wanted to”, “You’re not trying hard enough”,
Some gradually end up developing the impression of being “the problem”.
In adults, ADHD often takes more silent forms: chronic disorganization, procrastination, mental fatigue, accumulation of delays, difficulty prioritizing, or a constant feeling of running out of time.
Many describe above all an invisible fatigue: that of having to constantly compensate.
When cognitive difficulties become emotional suffering
Neuroscience now shows that cognitive functions and emotions are deeply linked.
A brain constantly mobilized to compensate for its attentional difficulties often ends up functioning in a chronic state of tension and overload.
Repeated experiments:
failure,
of conflict
for comparison,
negative remarks,
or misunderstanding
can gradually weaken self-esteem and promote anxiety, discouragement or depressive symptoms.
This obviously does not mean that ADHD automatically “causes” depression.
But living for years with the feeling of having to fight against one's own mental processes can become profoundly psychologically exhausting.
For some patients, the relief brought by the diagnosis comes precisely from this: understanding that their difficulties are not simply due to a lack of willpower.
The attentional brain never functions completely alone
Attentional and executive difficulties never only affect an “isolated” brain.
They always evolve within a human environment: family, school, emotional and relational.
However, research in cognitive and social psychology has long shown that working memory, attention, and certain executive functions are profoundly influenced by the mere presence of others. The brain does not process information in the same way depending on whether it feels:
supported,
observed,
safe,
under pressure
encouraged,
humiliated,
or constantly evaluated.
In some children with ADHD, repeated difficulties, negative remarks, conflicts, or the feeling of constantly being “at fault” can gradually keep the nervous system in a chronic state of tension and hypervigilance. In this state, attentional and executive functions become even more fragile.
Conversely, certain forms of relational presence — more stable, more containing, more secure — can promote greater emotional regulation, trust, and cognitive availability.
A child's brain also learns through the gaze, tone, patience or annoyance of the adults around them.
In ADHD, the quality of this relational presence can sometimes play an important role in how the child gradually builds their self-confidence, their ability to regulate... or, on the contrary, their feeling of failure.
This obviously does not mean that ADHD is “created” by the relational environment.
But this brings to mind an essential idea: even attentional and executive functions always develop within a broader human, emotional, and relational context.
A more human approach to ADHD
Managing ADHD is not just about improving attentional performance.
It also aims to help children, adolescents, or adults better understand how they function, reduce cognitive overload, regain more emotional stability, and build strategies adapted to their daily lives.
Depending on the situation, support may include:
neuropsychology,
psychotherapy,
parental guidance,
emotional regulation,
cognitive remediation,
academic support,
or certain neurofeedback approaches.
Neuroscience now allows us to better understand ADHD. But behind executive functions, working memory or attentional networks, there is always a profoundly human experience: that of a person who is trying, often for a long time, to no longer feel constantly overwhelmed by their own mental functioning.
To conclude
Working memory is much more than a simple cognitive function. It contributes to our ability to think, learn, organize ourselves, regulate our emotions, and remain open to the world around us.
When these functions become fragile, daily life can quickly become exhausting, both for the child and for the adult who is constantly trying to compensate for their attentional and executive difficulties.
But neuroscience also reminds us of one essential thing: the human brain never develops completely on its own.
Attention, emotions, self-confidence, and even certain cognitive abilities evolve through contact with relational experiences, feelings of security, and the quality of others' presence.
In ADHD, understanding these mechanisms often allows us to move away from a guilt-based interpretation of the difficulties, in order to gradually build a more humane, more nuanced and more respectful approach to the person's actual functioning.
Other articles to read:
TRACY PACKIAM ALLOWAY and JOHN C. HORTON (2016). Does Working Memory Mediate the Link Between Dispositional Optimism and Depressive Symptoms? Applied Cognitive Psychology , 30:1068–1072 (2016).
👉 To receive future posts from this blog, subscribe to the free newsletter .
Leave a comment
You must be logged in to post a comment.
Driss Boussaoud 🙏
Comments