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Doctor Explains Anhedonia and Potential Treatments (Emotional Numbness)
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DISCLAIMER:
No content on this channel (including videos, text in the description or comments or comment replies) constitutes medical advice. I am not your doctor. Don't make any decisions or changes that can affect your health or mental health without talking to your medical provider first.
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In this impromtu video I discuss what anhedonia is, potential causes and neurobiological correlates, and potential treatments. Since anhedonia treatments have rarely been studied, a large portion of this video explores potential treatments that are not firmly based in the level of evidence we seek after in modern medicine.
Summary of the video:
Anhedonia is when someone has an inability or significantly reduced ability to experience pleasure, joy, or interest in previously enjoyed/loved activities. More generally, people with anhedonia tend to feel emotionally flat or numb. They often cannot feel not only positive emotions, but can have difficulty experiencing sadness, nostalgia, anticipation, or even anxiety sometimes. Life feels muted or black and white or grey. It can make people feel like they have lost their dreams, personality, interests and aspirations. Some describe it as "feeling like a zombie." For some it can feel soul-sucking or even life-destroying and can make people think "what's even the point to life if I can't feel anything?"
Anhedonia is strongly related to reward circuitry in the brain malfunctioning, especially regarding dopamine signaling, and also likely endogenous opioid (endorphins) and norepinephrine (noradrenaline) signaling. Anhedonia also seems related to when the reward centers of the brain become decoupled or "unplugged" from the rest of the brain, making it hard to feel pleasure or reward.
There is mounting evidence that anhedonia is often related to inflammation. Others might be anhedonic from repeated, chronic mild stress, or chronic drug abuse leading to decreased dopamine D2 receptors or lower dopamine release.
*Potential* Treatments:
-Wellbutrin (Bupropion): good evidence it helps with anhedonia
-Norepinephrine-boosting antidepressants (SNRIs, TCAs): moderate evidence
-Mirtazapine: I haven't found any studies addressing if it helps anhedonia in depression but at least 5 studies show it helps anhedonia and other "negative" symptoms in patient's with thought disorders like schizophrenia
-Dopamine medications like stimulants, dopamine receptor agonists like pramipexole, etc: appear to help anhedonia and treatment-resistant depression in some
-Dopaminergic MAOIs like Nardil: almost certainly
-Behavioral Activation therapy: definitely helps anhedonia
-Lowering inflammation: almost certainly helps anhedonia as long as the anhedonic person has high inflammation (which can be measured by ordering a hsCRP blood lab). Potential ways to lower inflammation: weight loss (obesity is highly inflammatory), high EPA fish oil, addressing SIBO, IBD, intestinal permeability, plant-based Mediterranean diet, avoiding the standard SAD diet everyone eats in the West, exercise, treating insomnia, using certain supplements and medications. Minocycline likely helps anhedonia by directly inhibiting microglial cells in the brain.
Not mentioned in the video
-Agomelatine: seems to help anhedonia but sadly not available in USA
-Ketamine: appears to decrease anhedonia in depressed patients
-ECT: likely helps anhedonia:
-TMS: unclear
------------------
DISCLAIMER:
No content on this channel (including videos, text in the description or comments or comment replies) constitutes medical advice. I am not your doctor. Don't make any decisions or changes that can affect your health or mental health without talking to your medical provider first.
------------------
In this impromtu video I discuss what anhedonia is, potential causes and neurobiological correlates, and potential treatments. Since anhedonia treatments have rarely been studied, a large portion of this video explores potential treatments that are not firmly based in the level of evidence we seek after in modern medicine.
Summary of the video:
Anhedonia is when someone has an inability or significantly reduced ability to experience pleasure, joy, or interest in previously enjoyed/loved activities. More generally, people with anhedonia tend to feel emotionally flat or numb. They often cannot feel not only positive emotions, but can have difficulty experiencing sadness, nostalgia, anticipation, or even anxiety sometimes. Life feels muted or black and white or grey. It can make people feel like they have lost their dreams, personality, interests and aspirations. Some describe it as "feeling like a zombie." For some it can feel soul-sucking or even life-destroying and can make people think "what's even the point to life if I can't feel anything?"
Anhedonia is strongly related to reward circuitry in the brain malfunctioning, especially regarding dopamine signaling, and also likely endogenous opioid (endorphins) and norepinephrine (noradrenaline) signaling. Anhedonia also seems related to when the reward centers of the brain become decoupled or "unplugged" from the rest of the brain, making it hard to feel pleasure or reward.
There is mounting evidence that anhedonia is often related to inflammation. Others might be anhedonic from repeated, chronic mild stress, or chronic drug abuse leading to decreased dopamine D2 receptors or lower dopamine release.
*Potential* Treatments:
-Wellbutrin (Bupropion): good evidence it helps with anhedonia
-Norepinephrine-boosting antidepressants (SNRIs, TCAs): moderate evidence
-Mirtazapine: I haven't found any studies addressing if it helps anhedonia in depression but at least 5 studies show it helps anhedonia and other "negative" symptoms in patient's with thought disorders like schizophrenia
-Dopamine medications like stimulants, dopamine receptor agonists like pramipexole, etc: appear to help anhedonia and treatment-resistant depression in some
-Dopaminergic MAOIs like Nardil: almost certainly
-Behavioral Activation therapy: definitely helps anhedonia
-Lowering inflammation: almost certainly helps anhedonia as long as the anhedonic person has high inflammation (which can be measured by ordering a hsCRP blood lab). Potential ways to lower inflammation: weight loss (obesity is highly inflammatory), high EPA fish oil, addressing SIBO, IBD, intestinal permeability, plant-based Mediterranean diet, avoiding the standard SAD diet everyone eats in the West, exercise, treating insomnia, using certain supplements and medications. Minocycline likely helps anhedonia by directly inhibiting microglial cells in the brain.
Not mentioned in the video
-Agomelatine: seems to help anhedonia but sadly not available in USA
-Ketamine: appears to decrease anhedonia in depressed patients
-ECT: likely helps anhedonia:
-TMS: unclear
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