Anhedonia (pronounced an-he-DOH-nee-uh) is a reduced ability to feel pleasure or interest in things that used to be rewarding. It is not sadness, and it is not boredom. It is the strange, quiet experience of putting on the album you have loved for fifteen years and feeling absolutely nothing, or sitting down to a meal you chose yourself and tasting it the way you would taste a glass of water.
Most people arrive at the word anhedonia after months of trying to explain the feeling without it. They say the colour has gone out of things. They say they are going through the motions. They say they have lost interest in everything and cannot work out why, because nothing in particular has gone wrong.
This article covers what anhedonia is, the different forms it takes, what is happening in the brain when pleasure stops registering, and the question people ask most often: whether it goes away.
In this article
- What Anhedonia Means
- What Anhedonia Actually Feels Like
- The Four Types of Anhedonia
- Anhedonia Is Not the Same as Apathy or Avolition
- Anhedonia and Depression: How They Relate
- What Causes Anhedonia
- Depression Naps and the Collapse of Effort
- How Anhedonia Is Assessed
- Does Anhedonia Go Away?
- What Actually Helps With Anhedonia
- When to Reach Out for Support
- References
What Anhedonia Means
Anhedonia means the loss or reduction of the capacity to experience pleasure. The word comes from Greek, combining an (without) and hedone (pleasure), and it entered clinical use in the late nineteenth century to describe exactly the state it still describes today.
It helps to be precise about one thing early on. Anhedonia is a symptom, not a diagnosis. Nobody is diagnosed with anhedonia the way they might be diagnosed with a heart condition. It is something that shows up inside other conditions, most commonly depression, and it is treated as part of treating what is driving it.
That said, it is not a minor detail. A 2025 review in Translational Psychiatry describes anhedonia as one of the core symptoms of major depressive disorder. CAMH lists a loss of interest in favourite activities among the recognised symptoms of depression, and notes that symptoms are considered clinically significant when they persist most of the day, most days, for more than two weeks, and interfere with functioning at work, at school or in relationships. The American Psychiatric Association applies the same two-week threshold.
What Anhedonia Actually Feels Like
The symptoms of anhedonia are easier to recognise in daily life than in a symptom list, because the experience is defined by an absence rather than by something arriving. There is nothing to point at.
In practice it usually looks like some combination of these:
- Hobbies that used to absorb you now feel like chores you are behind on.
- Food tastes flat, or you eat without noticing that you have eaten.
- Music, films and books do not land. You can follow them; they just do not reach you.
- Conversations with people you genuinely care about feel like administration.
- Physical affection and sex feel neutral rather than unpleasant.
- Nothing on the calendar produces the small forward pull of looking forward to something.
- Achievements you worked hard for arrive and register as almost nothing.
Two things are worth saying plainly here. This is not laziness, and it is not ingratitude. People experiencing anhedonia are usually acutely aware of how their life looks from the outside, which is a large part of why it is so isolating. The machinery that turns a good thing into a good feeling has stopped running, and no amount of effort or gratitude restarts it directly.
The Everyday Version of Losing Interest in Everything
When people say they have lost interest in everything, they are usually describing anhedonia even if they have never heard the term. What makes it confusing is that the loss is often uneven. Someone might still enjoy a hot shower and feel nothing at their own birthday dinner. Someone else might still laugh at a specific friend and find every other social contact effortful.
A large number of people also arrive at this from an unexpected direction. They say they have lost interest in everything but are not depressed, and they mean it: they are not sad, not tearful, not hopeless. Low mood and loss of pleasure are two different symptoms, and they do not always travel together. It is entirely possible to feel emotionally level and still notice that nothing rewards you any more. That combination is worth paying attention to rather than dismissing, precisely because it does not look like the picture of depression most people carry around.
The Four Types of Anhedonia
Researchers and clinicians divide anhedonia in two different ways, which is why the types can seem to multiply. The first split is by what has gone flat: social contact or physical sensation. The second is when the pleasure fails: before the experience or during it. Most of the health information available online covers the first split and skips the second, which is unfortunate, because the second is the one that changes what you actually do about it.
Social Anhedonia
Social anhedonia is a reduced reward from being around other people. The company of friends and family does not produce the lift it used to, so contact gradually shrinks, not out of dislike but out of the sense that it costs more than it returns.
It is worth separating this from two things it resembles. Social anxiety is driven by fear of judgement, and the person often wants contact badly. Introversion is a stable preference, not a change. Social anhedonia is a change: connection that used to be rewarding has stopped being rewarding. It is also often the first form that family members notice, usually before the person experiencing it has named anything.
Physical Anhedonia
Physical anhedonia is a reduced reward from physical sensation. Taste, touch, warmth, music, movement, sunlight and sex all fall into this category.
This is the type people most often recognise themselves in, because the examples are concrete. Coffee that tastes like hot liquid. A hot bath that is simply wet. A favourite song that plays through without doing anything. Being hugged and registering pressure rather than comfort.
Anticipatory Anhedonia: Losing the Wanting
Anticipatory anhedonia is the loss of the pull towards a thing before you get to it. You know, intellectually, that you used to enjoy this. You cannot generate any sense of wanting it now, so you do not book it, do not go, and the day closes over.
This distinction is not just a piece of terminology. Decades of reward research separate “wanting” from “liking” as two different processes. In an influential review of the translational neuroscience, Treadway and Zald argue that any useful definition of anhedonia has to distinguish deficits in pleasure from deficits in motivation, because the evidence points to dopamine being involved primarily in the motivational side of reward. In other words, the anticipation machinery and the enjoyment machinery can fail separately.
Consummatory Anhedonia: Losing the Liking
Consummatory anhedonia is the mirror image: you get there and feel nothing. The dinner happens, the friend is lovely, the film is good, and none of it lands.
Here is why the distinction matters practically. A person whose anhedonia is mainly anticipatory often does get something out of an activity once they are inside it. They simply never make it there, because the internal signal that would normally get them out the door is missing. That single fact is the logic behind the most useful psychological treatment for anhedonia, which is covered further down.
Anhedonia Is Not the Same as Apathy or Avolition
One of the most common questions people bring is what else could explain a flat, disengaged state. Anhedonia is frequently confused with apathy and with avolition, and while all three can appear at the same time, they are not the same thing, and clinicians treat them as separate targets.
Apathy vs Anhedonia
Apathy is a broad flattening of caring. Motivation, emotional response and concern all drop together, and the person often does not mind that they have dropped.
Anhedonia is narrower and, in a sense, crueller. The caring is frequently intact. Someone with anhedonia may want very much to enjoy their child’s school concert, may go, may pay full attention, and may still get nothing from it. The workable distinction is this: with anhedonia the wanting can survive while the reward disappears, whereas with apathy the wanting itself has gone quiet.
Avolition vs Anhedonia
Avolition is a reduction in goal-directed activity. The problem sits at the point of starting and sustaining behaviour rather than at the point of reward, so tasks stall before they begin, including tasks the person genuinely wants to complete.
The overlap is real. Somebody who gets no reward from anything will, over time, initiate less, and prolonged avolition tends to shrink the number of things that could deliver reward. But they are separable, and separating them changes what a therapist works on first.
Anhedonia and Depression: How They Relate
Anhedonia and depression are closely linked without being interchangeable. Loss of interest and pleasure sits alongside persistent low mood as one of the two symptoms that anchor a major depressive episode, which is why a person can be depressed in the clinical sense while insisting, accurately, that they do not feel sad.
There is a further point that rarely makes it into general health articles and that matters a great deal to anyone in the middle of treatment. The 2025 Translational Psychiatry review notes that anhedonia is among the most common residual symptoms in major depressive disorder, that more severe anhedonia at baseline predicts poorer depression treatment outcomes, and that the recovery of anhedonia can be less marked than the recovery of depression overall. Put plainly: pleasure often comes back more slowly than mood does. If you have been treated for depression, feel functionally better, and are quietly alarmed that nothing is enjoyable yet, that pattern is documented and it is not a sign that treatment has failed.
Depression is one of the conditions we work with most often, and you can read about how we support people living with depression at our clinic.
Can You Have Anhedonia Without Depression?
Yes. Anhedonia appears in several other conditions, follows prolonged stress, sometimes accompanies physical illness, and occasionally arrives with no clear cause at all in someone who does not feel low.
This matters because the depression label stops a lot of people from seeking help. If the flatness has lasted weeks, is affecting how you work, study or relate to people, and has not shifted on its own, it is worth talking to someone about regardless of whether you would describe yourself as depressed. The support that helps is broadly the same either way.
What Causes Anhedonia
What causes anhedonia is, honestly, still an active research question. There is no single cause and no single switch. What the evidence does converge on is a common pathway: whatever the trigger, the reward system is where the effect shows up.
The Brain Reward System and Dopamine
The brain reward system is the network that decides what is worth pursuing and how good it felt when you got it. The 2025 Translational Psychiatry review describes the core mechanism of anhedonia as a deficit in this reward circuitry, naming the ventral tegmental area, the nucleus accumbens, the ventral striatum, the prefrontal cortex, the amygdala and the hippocampus. The ventral striatum, which includes the nucleus accumbens, receives dopamine projections from the ventral tegmental area and is closely involved in recognising rewards and initiating their consumption.
Two cautions are worth attaching to that paragraph. First, this is a description of where the disruption appears, not a complete account of why it happens. Second, “low dopamine” is not an accurate summary of anhedonia, and anyone offering a simple chemical story is overselling it. The reward system is a network, and the research is ongoing.
Other Conditions Where Anhedonia Shows Up
Anhedonia is what clinicians call a transdiagnostic symptom, meaning it crosses diagnostic boundaries. It is documented in major depressive disorder and bipolar disorder, in post-traumatic stress disorder, in schizophrenia, in Parkinson’s disease, in chronic pain and long-term physical illness, during substance use and withdrawal, and after prolonged periods of high stress, including sustained burnout.
It also appears alongside ADHD, where reward processing works differently and interest can collapse abruptly once novelty runs out. If that description fits, our ADHD support at 101 Psychotherapy is a reasonable starting point. Where alcohol or other substances are part of the picture, addiction and substance use counselling addresses both at once, since flatness during early abstinence is common and is one of the things that pulls people back.
One more possibility belongs here, briefly. If the flatness began shortly after a medication was started or changed, that is a conversation to have with the physician who prescribed it, and worth raising rather than tolerating.
Depression Naps and the Collapse of Effort
Depression naps are one of the most recognisable everyday expressions of anhedonia, and one of the least discussed. The pattern is daytime sleep that has very little to do with being tired. Being awake has stopped offering anything, so sleep becomes the only part of the day that does not require an argument with yourself.
There is a real difference between rest and this. Restorative rest is followed by more capacity. A depression nap is usually followed by the same flatness plus a layer of guilt, and often by a slightly worse afternoon than the one it interrupted.
If you notice this in yourself, the useful thing is not to fight the sleep directly but to look at what the waking hours are offering. When there is nothing in a day that produces even a small return, the body will keep choosing the exit. Rebuilding the returns is the work, and it is possible.
How Anhedonia Is Assessed
There is no blood test for anhedonia and no scan that shows it. Assessment is a conversation, and a reasonably specific one. A clinician will usually want to know which activities have gone flat, when each of them stopped landing, whether the wanting or the enjoying is more affected, what else changed around the same time, and how much of daily life is now being affected.
Researchers and clinicians also use validated questionnaires. The best known is the Snaith-Hamilton Pleasure Scale, published in the British Journal of Psychiatry in 1995, which measures hedonic tone across everyday sources of pleasure. Others include the Temporal Experience of Pleasure Scale, which is designed specifically to separate anticipatory from consummatory pleasure. These are clinician-facing tools used within an assessment. They are not self-diagnosis instruments, and a score on its own does not mean much without the conversation around it.
What to Notice Before Your First Appointment
If you are planning to speak to someone, a short amount of observation beforehand makes the first appointment considerably more useful. There is nothing to score and no threshold to cross. It is simply information worth having in front of you.
Name three things that used to be reliably enjoyable, and for each one, note roughly when it stopped landing. Then note whether you still want the thing (you plan it, you look forward to it, it just does nothing when it arrives) or whether the wanting itself has gone. Write down what else changed in that period: sleep, workload, health, medication, a relationship, a move. Finally, note whether anyone close to you has commented on a change, because other people often register it earlier than we do.
That is enough. You can read more about what a first session involves before you come in.
Does Anhedonia Go Away?
For most people, anhedonia is not permanent. It is a symptom rather than a fixed trait, and it generally improves as the condition driving it improves.
The honest caveat is about pace. As the 2025 Translational Psychiatry review sets out, anhedonia is one of the most common residual symptoms in depression, and its recovery can lag behind the recovery of mood. This produces a genuinely disorienting middle stage where sleep is better, concentration is better, the crying has stopped, and food still tastes like nothing. That stage is common. It is not evidence that nothing is working.
It is also worth knowing what recovery tends to look like, because people miss it when they are waiting for the wrong thing. Pleasure rarely returns as a single switch. It comes back in fragments: a song that catches for eight bars, a genuine laugh that surprises you, a moment of actually wanting your coffee. The fragments get longer and closer together. Most people only notice the change retrospectively, which is one practical argument for keeping some simple record of how activities land.
Nobody can give you a timeline, and anybody who offers one is guessing. What is reasonable to say is that anhedonia responds to treatment of the condition underneath it, and that severity at the start makes the process slower rather than impossible.
What Actually Helps With Anhedonia
Knowing how to treat anhedonia starts with accepting an uncomfortable premise: waiting until you feel like doing something does not work, because the part of the system that generates “feeling like it” is the part that is impaired. Any approach built on waiting for motivation to return first will stall.
Everything below follows from that.
Behavioural Activation: Action Before Motivation
Behavioural activation is the most direct psychological treatment for anhedonia, and the reasoning behind it is straightforward. Rather than waiting for motivation and then acting, you schedule small, specific activity first and allow whatever reward is still available to follow. Activity leads; feeling catches up.
It is more structured than “just do things”. The activities are chosen deliberately, made small enough to be almost too easy, scheduled at a particular time rather than “sometime this week”, and tracked. The tracking matters more than people expect, because early improvements are too small to feel and only become visible when they are written down. At the start, “did you enjoy it?” is the wrong question, since the answer will often be no. The right question is closer to “was it slightly less flat than you expected?”, and that is a question that starts producing useful answers surprisingly quickly.
The evidence base is solid. In the COBRA randomised controlled trial published in The Lancet in 2016, behavioural activation delivered by junior mental health workers was found to be non-inferior to full cognitive behavioural therapy for adults with depression, and it required less intensive and less costly training. Behavioural activation is typically delivered within, or alongside, cognitive behavioural therapy at our clinic.
What Changes in Therapy
Treating anhedonia in therapy is less about talking through feelings, which is difficult when the feelings are absent, and more about rebuilding the link between doing and receiving.
Early sessions typically map which activities have gone flat and when, and separate the wanting from the liking, because the two point towards different starting places. From there, a graded plan is built: activities small enough to succeed at, scheduled specifically, reviewed honestly. Alongside that, therapy addresses the thinking that shuts activity down before it starts, the “there is no point, I won’t enjoy it anyway” prediction that is both understandable and self-confirming. Progress is tracked so that improvement becomes visible before it becomes felt.
Some people are also prescribed medication by a physician or psychiatrist, and that runs in parallel rather than in competition. Those decisions sit with the prescriber. At 101 Psychotherapy we offer psychotherapy, and one to one therapy sessions are the usual format for this kind of work.
What You Can Start This Week
None of the following replaces an assessment, and none of it is a cure. It is what the first week of behavioural activation tends to look like, and it is safe to begin on your own.
Choose one activity that used to be reliably enjoyable and schedule it for a specific day and time. Make it shorter than feels reasonable: twenty minutes, not an afternoon. Rate how you feel out of ten immediately before and immediately after, and write both numbers down, because a change from two to three is real and completely invisible without the record. Keep one point of human contact each day, even a five-minute one, since social withdrawal accelerates anhedonia faster than almost anything else. And move your body daily in whatever form is currently available, without any expectation that it will feel good while you do it.
Repeat, adjust, and expect the results to be undramatic for a while.
When to Reach Out for Support
It is worth speaking to a professional about anhedonia if it has lasted two weeks or more, if it is affecting your work, your studies, your relationships or your ability to look after yourself, or if you have found yourself withdrawing from people who matter to you. Persistent flatness is a reason to seek support in its own right, whether or not it comes with low mood.
If you are having thoughts of death or of harming yourself, please do not wait. In Canada, the 9-8-8 Suicide Crisis Helpline is available 24 hours a day, seven days a week, by call or text to 9-8-8, in English and French. In an emergency, call 911.
In Ontario, psychotherapy is a regulated health profession. The College of Registered Psychotherapists of Ontario sets the standards for the profession, and only people registered with CRPO or another psychotherapy-regulating college in the province may use the title Registered Psychotherapist. You are entitled to ask any clinician for their registration number before you book.
Anhedonia is common. In 2022, Statistics Canada found that 7.6 percent of people in Canada aged 15 and older had met the criteria for a major depressive episode in the previous twelve months, up from 4.7 percent a decade earlier. A great many of those people describe the loss of pleasure before they describe anything else.
If any of this sounds like your last few months, you are welcome to book a consultation with our team.
References
- Centre for Addiction and Mental Health (CAMH). Depression. Mental Illness and Addiction Index. https://www.camh.ca/en/health-info/mental-illness-and-addiction-index/depression
- American Psychiatric Association. What Is Depression? https://www.psychiatry.org/patients-families/depression/what-is-depression
- Wu C, Mu Q, Gao W, et al. The characteristics of anhedonia in depression: a review from a clinically oriented perspective. Translational Psychiatry. 2025;15:90. Published 21 March 2025. https://www.nature.com/articles/s41398-025-03310-w
- Treadway MT, Zald DH. Reconsidering anhedonia in depression: lessons from translational neuroscience. Neuroscience and Biobehavioral Reviews. 2011;35(3):537 to 555. https://europepmc.org/article/PMC/3005986
- Snaith RP, Hamilton M, Morley S, Humayan A, Hargreaves D, Trigwell P. A scale for the assessment of hedonic tone: the Snaith-Hamilton Pleasure Scale. British Journal of Psychiatry. 1995;167(1):99 to 103. https://doi.org/10.1192/bjp.167.1.99
- Richards DA, Ekers D, McMillan D, et al. Cost and Outcome of Behavioural Activation versus Cognitive Behavioural Therapy for Depression (COBRA): a randomised, controlled, non-inferiority trial. The Lancet. 2016;388(10047):871 to 880. https://europepmc.org/articles/PMC5007415
- Statistics Canada. Study: Mental disorders and access to mental health care. The Daily, 22 September 2023. Mental Health and Access to Care Survey, 2022. https://www150.statcan.gc.ca/n1/daily-quotidien/230922/dq230922b-eng.htm
- College of Registered Psychotherapists of Ontario (CRPO). What to Know About Psychotherapy. https://crpo.ca/resources/what-to-know-about-psychotherapy/
- 9-8-8 Suicide Crisis Helpline. https://988.ca/
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