ADHD Glossary
Clear, supportive explanations of the terms and concepts that shape the ADHD experience. Each article connects to your brain profile and includes actionable strategies.
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Body Doubling Guide
Understand body doubling guide in ADHD, including what the pattern looks like, why it gets missed, and what helps next.
Time Blindness Guide
Understand time blindness guide in ADHD, including what the pattern looks like, why it gets missed, and what helps next.
Rejection Sensitivity (RSD) Symptoms
Understand rejection sensitivity (rsd) symptoms in ADHD, including what the pattern looks like, why it gets missed, and what helps next.
ADHD At Work
Understand adhd at work in ADHD, including what the pattern looks like, why it gets missed, and what helps next.
Rejection Sensitivity (RSD) Guide
Understand rejection sensitivity (rsd) guide in ADHD, including what the pattern looks like, why it gets missed, and what helps next.
ADHD Signs
Understand adhd signs in ADHD, including what the pattern looks like, why it gets missed, and what helps next.
Rejection Sensitivity (RSD)
Rejection Sensitive Dysphoria (RSD) is an intense emotional response to perceived or actual rejection, criticism, or failure. For adults with ADHD, this isn't ordinary sensitivity — it's a neurological response that can feel physically painful and emotionally overwhelming. RSD can trigger sudden mood crashes, avoidance of social situations, and people-pleasing patterns that quietly shape your entire life.
Time Blindness
Time blindness is the inability to accurately perceive, estimate, or track the passage of time. For adults with ADHD, time doesn't flow in a steady, predictable stream — it stretches and compresses unpredictably. You might lose three hours in what felt like twenty minutes, or experience ten minutes of waiting as an eternity. This isn't carelessness. It's a fundamental difference in how ADHD brains process temporal information.
Executive Function
Executive function is the set of mental skills that act as your brain's management system — planning, organizing, prioritizing, starting tasks, managing emotions, and holding information in working memory. In ADHD, these functions aren't absent — they're inconsistent. Some days your executive function works beautifully. Other days, you can't start a simple task to save your life. This inconsistency is one of the most frustrating aspects of ADHD.
ADHD Burnout
ADHD burnout is a state of chronic physical and emotional exhaustion that results from the constant effort of compensating for ADHD challenges in a neurotypical world. Unlike typical burnout, ADHD burnout often comes with a deep sense of failure — you've been masking, overworking, and pushing through for so long that your brain simply runs out of compensatory fuel. It can feel like suddenly losing abilities you used to have, which is terrifying and confusing.
Emotional Dysregulation
Emotional dysregulation is the difficulty modulating emotional responses — feeling emotions more intensely, reacting more quickly, and recovering more slowly than neurotypical peers. In ADHD, emotional dysregulation isn't a secondary symptom; many researchers believe it's a core feature of the condition. Your emotions aren't too big — your brain's regulatory system just processes them differently, making every feeling louder, faster, and harder to modulate.
Hyperfocus
Hyperfocus is a state of intense, sustained concentration where you become completely absorbed in a task or activity — sometimes for hours — to the exclusion of everything else. It's often called ADHD's 'superpower,' but it comes with a catch: you can't always choose when it activates. Hyperfocus tends to engage for tasks that are novel, interesting, or urgent — and stubbornly refuses to show up for things that are important but boring.
ADHD Paralysis
ADHD paralysis is the state of being completely unable to start, continue, or complete a task — even when you desperately want to. It's not procrastination (a choice to delay). It's a neurological freeze state where your brain can't generate the activation energy needed to initiate action. You might sit staring at your laptop for an hour, fully aware of what needs doing, yet completely unable to begin. It feels like your brain is buffering endlessly.
Dopamine Seeking
Dopamine seeking is the ADHD brain's constant search for stimulation, novelty, and reward. ADHD involves lower baseline dopamine activity, which means your brain is always looking for ways to boost its own neurochemistry. This drives behaviors like constantly checking your phone, starting new projects while abandoning old ones, seeking intense experiences, and gravitating toward anything novel or exciting. It's not a lack of discipline — it's your brain's way of trying to reach neurochemical equilibrium.
Task Switching Difficulty
Task switching difficulty is the challenge of mentally transitioning from one activity, context, or train of thought to another. For ADHD brains, switching tasks isn't a simple flip — it requires significant cognitive effort. Your brain might stay stuck on the previous task (perseveration), or the transition might drain so much energy that you lose momentum entirely. This is why interruptions are so costly for adults with ADHD: each switch requires rebuilding your entire mental workspace.
Working Memory
Working memory is your brain's mental scratchpad — the ability to hold information in mind while using it. For adults with ADHD, working memory capacity is often reduced, which means you might walk into a room and forget why, lose track mid-sentence, or struggle to follow multi-step instructions. This isn't a memory problem in the traditional sense — your long-term memory may be excellent. The issue is keeping information active and accessible in the moment you need it.
ADHD Masking
ADHD masking is the conscious or unconscious effort to hide, suppress, or compensate for ADHD symptoms in order to appear neurotypical. It includes behaviors like over-preparing to seem organized, suppressing fidgeting in meetings, rehearsing conversations to avoid impulsive comments, and maintaining a carefully curated image of competence. While masking can be adaptive in the short term, it's profoundly exhausting over time and is a primary driver of ADHD burnout.
Sensory Overload
Sensory overload occurs when your brain receives more sensory input than it can process and filter. ADHD brains have reduced sensory gating — the ability to filter out irrelevant stimuli. This means background noise, bright lights, strong smells, crowded spaces, or even the texture of clothing can become overwhelming. It's not sensitivity in the emotional sense — it's a neurological filtering problem where your brain treats all sensory input as equally important.
Decision Fatigue
Decision fatigue is the deterioration of decision-making quality after making many decisions. For adults with ADHD, this hits earlier and harder because every decision requires more effort. Without strong executive function to auto-prioritize, your brain treats choosing what to eat for lunch with the same cognitive weight as choosing a career direction. The result: you're exhausted by noon from decisions that others make on autopilot.
Body Doubling
Body doubling is the practice of working alongside another person — not collaborating, just being in the same space — to boost focus, motivation, and task initiation. For ADHD brains, another person's calm, working presence creates an external accountability anchor that helps regulate attention and reduce the activation energy needed to start tasks. The other person doesn't need to help, supervise, or even talk. Their simple presence changes your brain's state.
Object Permanence (Out of Sight, Out of Mind)
In the ADHD context, 'object permanence' (more accurately called object constancy or working memory for objects) refers to the tendency to forget about things, people, or tasks that aren't directly in front of you. If you can't see it, it effectively ceases to exist in your mental landscape. This affects everything from losing items around the house to forgetting to respond to texts to neglecting relationships when people aren't physically present. It's a working memory issue, not a caring issue.
Anger Management & ADHD
Anger in ADHD isn't about having a bad temper — it's about having a nervous system that reacts faster than your thinking brain can intervene. The same impulsivity that makes you blurt things out also makes anger arrive at full volume with zero warning. You go from fine to furious in a heartbeat, often over something that later seems minor. The intensity is real, the trigger is real, but the proportionality is off. And the shame that follows the outburst? That's often worse than the anger itself.
Emotional Flooding
Emotional flooding is the experience of being so overwhelmed by emotion that your cognitive functions — thinking, speaking, problem-solving — temporarily shut down. For adults with ADHD, emotional flooding happens more frequently and more intensely because the brain's emotional regulation system processes feelings faster and louder than average. It's like your emotional volume is stuck on maximum and someone just turned the bass up. You're not being dramatic. Your brain is literally being overloaded by its own emotional signal.
Habit Building with ADHD
Habit building with ADHD is uniquely challenging because the neurological systems that automate behaviors work differently. Neurotypical brains gradually move repeated actions into autopilot — ADHD brains resist this automation. What others do without thinking, you have to consciously decide to do every single time, which is why routines feel exhausting rather than effortless. The twenty-one-day habit myth is especially harmful for ADHD brains — some habits may never become truly automatic, and that's okay. The goal isn't autopilot; it's building systems that make the right action the easiest action.
Hyperactivity in Adults
Hyperactivity in adult ADHD usually doesn't look like a kid bouncing off walls. It's more subtle and more internal — a constant restlessness, racing thoughts, difficulty sitting still through meetings, fidgeting, talking too much, or feeling like your engine is always running even when you're exhausted. Many adults with ADHD internalize their hyperactivity, which means you might look calm on the outside while feeling like you're vibrating on the inside. This internal restlessness is just as real and just as exhausting as the visible kind.
Imposter Syndrome & ADHD
Imposter syndrome in ADHD is the persistent belief that you're a fraud — that your successes are flukes and it's only a matter of time before everyone discovers you're not as competent as they think. For adults with ADHD, this isn't generic self-doubt. It's fueled by a lifetime of inconsistent performance: you know you can be brilliant one day and barely functional the next. You've watched yourself miss obvious details, forget important commitments, and struggle with things that seem easy for everyone else. So when you succeed, your brain whispers, 'That was luck, not ability.' It wasn't. But your brain doesn't believe that yet.
Inattention & ADHD
Inattention in ADHD is not a deficit of attention — it's a dysregulation of attention. Your brain has plenty of focus; it just can't always aim it where you need it. You might miss entire conversations while deep in thought, zone out during important meetings, or read the same page four times without absorbing a word. Meanwhile, you can focus for six hours straight on something that interests you. The issue isn't a broken spotlight — it's a spotlight you can't always steer. This inconsistency is what makes inattention so frustrating and so misunderstood.
Medication Management & ADHD
Medication management for ADHD involves finding, optimizing, and maintaining the right pharmacological support for your unique brain chemistry. It's rarely as simple as 'take this pill and you're fixed.' Most people go through a process of trial and adjustment — different medications, different doses, different timing — before finding what works. And 'works' doesn't mean perfection. Good medication management means your baseline is higher, your worst days are better, and your coping strategies are more effective. It's one powerful tool in a larger toolkit, not a standalone solution.
Motivation & ADHD
Motivation in ADHD works on a fundamentally different operating system. Neurotypical brains can generate motivation from importance alone — 'this matters, so I'll do it.' ADHD brains run on an interest-based nervous system that requires novelty, urgency, challenge, or personal passion to activate. This means you can be deeply committed to a goal and still unable to make yourself work toward it, because commitment and activation are separate systems in your brain. You're not lazy. Your motivational engine just needs different fuel.
ADHD Overwhelm
ADHD overwhelm is the state of being so flooded by demands, information, emotions, or choices that your brain effectively shuts down. Unlike general stress, ADHD overwhelm has a unique quality: your brain can't prioritize or sequence what's coming at you, so everything feels equally urgent and equally impossible. It's like having fifty browser tabs open and they're all playing audio at once. You can't close them, you can't organize them, and you can't hear any single one clearly. This isn't a coping failure — it's what happens when a brain with limited executive function capacity hits its processing ceiling.
Perfectionism & ADHD
Perfectionism in ADHD is a paradox: your brain struggles with consistency and detail, yet demands flawless results. This isn't about having high standards — it's a protective mechanism born from years of unpredictable performance. When you've experienced the pain of careless mistakes, missed details, and inconsistent output, perfectionism feels like the only defense against further failure. But it creates a cruel trap: you either overwork to the point of exhaustion producing 'perfect' results, or you don't start at all because anything less than perfect feels pointless. Either way, perfectionism wins and you lose.
Procrastination & ADHD
Procrastination in ADHD is fundamentally different from ordinary putting-things-off. It's not a choice to do something fun instead of something important — it's a neurological inability to activate toward tasks that don't provide immediate dopamine reward. Your brain knows the deadline is coming. Your body can feel the anxiety mounting. But the signal that converts intention into action simply doesn't fire until the urgency becomes so extreme that panic finally activates you. This is why so many adults with ADHD become 'deadline warriors' — not because they like the pressure, but because crisis is the only fuel their brain will reliably accept.
Rumination & ADHD
Rumination in ADHD is the brain's tendency to get stuck in repetitive thought loops — replaying past mistakes, rehearsing future conversations, analyzing what went wrong, or worrying about what might go wrong. While everyone ruminates sometimes, ADHD brains have a harder time disengaging from these loops because the executive function needed to redirect attention is already impaired. Your brain latches onto a thought and won't let go, cycling through the same material over and over without reaching resolution. It's like a song stuck on repeat, except the song is your worst moment from three years ago.
The ADHD Shame Cycle
The ADHD shame cycle is a self-reinforcing loop where ADHD symptoms lead to mistakes, mistakes lead to shame, shame leads to avoidance, and avoidance makes the ADHD symptoms worse. It often starts in childhood — years of hearing 'you're so smart, why can't you just...' teaches your brain that your struggles are personal failings, not neurological differences. By adulthood, shame has become your default response to every ADHD moment: the forgotten appointment, the missed deadline, the lost keys. The shame doesn't motivate you to do better. It paralyzes you, making the next failure more likely and completing the cycle.
Sleep Issues & ADHD
Sleep issues in ADHD are not about poor sleep hygiene — they're rooted in the same neurological differences that affect attention, regulation, and impulse control during the day. ADHD brains often have a delayed circadian rhythm, difficulty transitioning from wakefulness to sleep (your brain doesn't have an 'off switch'), and racing thoughts that intensify the moment your head hits the pillow. Add revenge bedtime procrastination — staying up late to reclaim the quiet, undemanding time you didn't get during the day — and you have a recipe for chronic sleep deprivation that makes every other ADHD symptom worse.
Social Anxiety & ADHD
Social anxiety in ADHD is often not a separate condition — it's a logical consequence of living with ADHD in a social world. Years of blurting out the wrong thing, missing social cues, forgetting people's names, losing track of conversations, and feeling 'too much' or 'not enough' in social settings create a learned fear of interaction. Your brain has catalogued every awkward moment, every confused look, every time someone said 'never mind' after you asked them to repeat themselves. Social anxiety in ADHD isn't irrational fear — it's your nervous system trying to protect you from experiences that have genuinely hurt before.