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Rapamycin extends mouse lifespan 9–14%
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Walking 10 min after meals blunts glucose
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How Your Brain’s Reward Circuits Drive Your Choices | Dr. Robert Malenka — Whalespan

Content›Video›How Your Brain’s Reward Circ…

How Your Brain’s Reward Circuits Drive Your Choices | Dr. Robert Malenka

Andrew Huberman2h 50m · 2023-07-10

Claims Made

201

Claims Supported

160

Support Rate

80%

Support rate

160 of 201 claims supported

160 supported41 partial / not

Claims from this content

130

✓Well SupportedAndrew Huberman drinks Athletic Greens twice a day, typically once in the morning and again in the afternoon or late afternoon, mixed with water and lemon or lime juice.✓Well SupportedElement is an electrolyte drink containing sodium, magnesium, and potassium without sugar.✓Well SupportedLevels, a program utilizing a continuous glucose monitor (CGM), provides real-time feedback on how foods, activities, and sleep impact health and blood glucose levels.✓Well SupportedAndrew Huberman has used Levels glucose monitoring devices and found them informative for understanding his blood sugar regulation and its reaction to different foods.Well Supported

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A. Volkovreader

4h

Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.

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Would love a "what would change this verdict" RSS feed. Sign me up if it exists.

✓

Hydration and adequate electrolyte intake are critical for optimal brain and bodily function, as even slight dehydration can diminish cognitive and physical performance.

✓Well SupportedMDMA's specific effect on social interactions provides a clue for understanding empathy.

✓Well SupportedAG1 helps buffer against stress and supports cellular and tissue needs due to its adaptogens and micronutrients.

◐Partially SupportedAG1 offers a welcome kit with five free travel packs and a free bottle of vitamin D3 K2 with purchases made through drinkag1.com/huberman.

✓Well SupportedElectrolyte drinks with sodium, magnesium, and potassium without sugar are important for optimal brain and body function and hydration.

✓Well SupportedAndrew Huberman typically drinks an electrolyte supplement first thing in the morning and also during and after sauna use.

✓Well SupportedPsychedelics like LSD and psilocybin augment serotonin and have shown impressive results in clinical trials for relieving major depression.

✓Well SupportedClassic hallucinogens bind to serotonin 2A and 2C receptors, with major effects possibly mediated through glutamate.

✓Well SupportedMDMA's pro-social effects are mediated by serotonin release in the nucleus accumbens via serotonin 1B receptor activation.

✓Well SupportedIn the accumbens, oxytocin causes the release of serotonin, which is the opposite of the interaction observed in the hypothalamus.

✓Well SupportedGenetic testing for alcohol addiction risk is less useful than knowing if parents were alcoholics or if problem drinking runs in the family.

✓Well SupportedMDMA can foster empathy, which can significantly benefit relationships.

✓Well SupportedMDMA's primary molecular targets are the serotonin and dopamine reuptake transporters.

◐Partially SupportedVasopressin may be a key pathway in the brain that, when dysregulated, contributes to autism, potentially through reduced social interest and eye contact.

◐Partially SupportedChemicals produced by humans, such as those in tears, on skin, and in sweat and breath, can powerfully modulate the biology and internal state of other individuals.

✓Well SupportedThe dopamine reward circuitry in the brain is involved in understanding obesity.

◐Partially SupportedMdma increases serotonin and dopamine, reinforcing prosocial brain circuitry.

◐Partially SupportedAndrew Huberman requires lower doses of medication than typically prescribed due to hypersensitivity, finding even a half dose of Armodafinil too much.

◐Partially SupportedGambling addiction is particularly insidious because the next potential win could be life-changing.

◐Partially SupportedThe state of Kentucky has allocated $40 million from an opioid settlement to fund iboga trials.

◐Partially SupportedCaffeine tolerance results in diminished stimulant effect and increased insensitivity over time.

◐Partially SupportedThe reward circuitry motivates repeating behaviors that lead to rewarding experiences and avoiding dangerous situations.

◐Partially SupportedThe nucleus accumbens contains neurons that can act as accelerators and brakes, modulated by dopamine and serotonin.

◐Partially SupportedIn severe depression, the brain's reward circuitry is not functioning normally.

◐Partially SupportedFaster routes of substance administration like smoking or injecting lead to more powerful effects and potential for abuse.

◐Partially SupportedVariations in oxytocin receptor genes can influence the degree to which individuals experience pro-social effects from MDMA.

◐Partially SupportedSocial interaction provides evolutionary advantages for survival, including increased likelihood of finding a mate, reproduction, and protection from predators.

◐Partially SupportedThe subjective experience of MDMA, when taken in an appropriate clinical setting with correct dosing and purity, is pleasant.

◐Partially SupportedSynaptic changes induced by drugs of abuse in reward circuitry are similar to those in adaptive learning and memory processes.

◐Partially SupportedOpioid and psychostimulant addiction share a common action of causing massive dopamine release in the nucleus accumbens.

◐Partially SupportedReinforcers increase the likelihood of repeating behaviors that lead to their release.

◐Partially SupportedNeuroplasticity is the nervous system's ability to change during learning.

◐Partially SupportedThe activation of reward circuitry by a stimulus depends on past experiences with that stimulus.

◐Partially SupportedDifferences in serotonin receptor subtypes lead to profoundly different subjective outcomes.

✓Well SupportedThe prefrontal cortex scales and contextualizes reward responses by setting rules.

◐Partially SupportedWhen social lives shift to video games and porn for boys, and social media for girls, both sexes experience increased loneliness.

◐Partially SupportedMice can exhibit 'generosity' by performing an action to provide a reward to another mouse.

✓Well SupportedA monosynaptic connection between the prefrontal cortex and amygdala indicates fast communication between these structures.

✓Well SupportedThe speed of drug administration and the duration of the subsequent dopamine trough influence drug reinforcement.

◐Partially SupportedDr. Malenka's research merges neuroplasticity with the study of dopamine's role in pleasure and addiction.

◐Partially SupportedAddiction can be understood as the reward circuitry being tricked into perceiving a stimulus or experience as critical for survival, driving repeated engagement.

◐Partially SupportedNeuromodulators like dopamine, oxytocin, and serotonin influence each other and do not work in isolation.

◐Partially SupportedThe serotonergic system may be involved in social behavior.

◐Partially SupportedSugary, high-fat foods, sexual experiences, warmth when cold, and water when thirsty are reinforcing due to evolved brain mechanisms.

◐Partially SupportedMechanistic neuroscience research on brain circuits can lead to novel therapeutics for conditions like autism spectrum disorder.

◐Partially SupportedStudies of ibogaine should be conducted thoughtfully, carefully, and ethically to test its efficacy for mental illnesses and addiction.

◐Partially SupportedFentanyl has a higher addictive liability than other opioids due to its molecular properties and interaction with opioid receptors.

◐Partially SupportedOpioids indirectly increase dopamine neuron activity, leading to a larger than normal release of dopamine in the nucleus accumbens.

◐Partially SupportedMDMA has been studied in individuals with social anxiety.

◐Partially SupportedDextromethorphan can cause bizarre dreams.

◐Partially SupportedMDMA has some addictive liability.

◐Partially SupportedThe nucleus accumbens and its circuitry play a significant role in determining pursued behaviors.

◐Partially SupportedSerotonin plays a role in social interactions in mice and likely in humans.

◐Partially SupportedSocial interaction can provide analgesia, reducing pain perception through social buffering of pain.

◐Partially SupportedHumans and other species may secrete molecules, potentially odorants, that act as analgesics.

◐Partially SupportedReceiving messages from friends and seeing one's name mentioned activates reward circuitry.

◐Partially SupportedSocial media has a high addictive liability.

◐Partially SupportedVasopressin may have therapeutic potential.

◐Partially SupportedOxytocin may enhance serotonin release in the nucleus accumbens, potentially promoting the reinforcing component of social interaction.

◐Partially SupportedChecking cell phone messages can have a compulsive, addictive quality.

◐Partially SupportedCues such as smells and anticipation of social interactions can be highly reinforcing and build anticipation or craving.

◐Partially SupportedThe dopamine reward circuitry is involved in mediating the desire to spend time with others of the same species.

◐Partially SupportedCues associated with rewarding experiences can develop their own reinforcing or aversive qualities by linking reward circuitry with memory systems.

◐Partially SupportedThe dopamine system is plastic and contextually dependent.

◐Partially SupportedSeeking pleasures, regardless of healthiness, changes reward circuitry and dopamine release.

◐Partially SupportedThere is no FDA-approved pharmacologic therapeutic for the social deficits associated with autism spectrum disorder.

◐Partially SupportedMDMA's addictive liability is primarily mediated by its actions on the dopamine system.

◐Partially SupportedThe reinforcing component of a social experience likely requires dopamine release.

◐Partially SupportedSocial buffering can mitigate pain perception.

◐Partially SupportedIn mouse models of autism spectrum disorder and certain individuals, the reinforcing component of social interaction is less or lacking.

◐Partially SupportedIn mouse models, deficits in social interactions and empathy can be improved by manipulating the serotonin system with drugs like MDMA.

◐Partially SupportedThe brain's dopamine reward circuitry is complex and modified by prefrontal inputs, memory systems, and context.

◐Partially SupportedThe dopamine reward circuitry is highly plastic and can become more sensitive to certain experiences.

◐Partially SupportedThe nucleus accumbens receives inputs from the hippocampus, amygdala, and prefrontal cortex.

◐Partially SupportedThe hippocampus is important for establishing new memories.

◐Partially SupportedThe prefrontal cortex is important for decision making and planning activity.

◐Partially SupportedThe human brain is highly tuned for social interactions, with dopamine, serotonin, and oxytocin systems rewarding these behaviors.

◐Partially SupportedThe dopamine system can be activated by reinforcing experiences and by painful or aversive stimuli.

◐Partially SupportedDopamine drives the activity of certain cell types, promoting specific behaviors and inhibiting others.

◐Partially SupportedSome aspects of brain systems utilizing serotonin may not function properly in certain populations with autism spectrum disorder.

◐Partially SupportedMDMA causes the release of serotonin.

✕Not SupportedTraditional serotonergic drugs like Prozac (SSRIs) and SNRIs have not shown efficacy in well-done clinical trials for the social deficits in autism.

◐Partially SupportedThe release of serotonin, dopamine, and oxytocin is triggered by social interactions, including recognition from others.

◐Partially SupportedNeuromodulators like dopamine and serotonin may influence neural circuitry involved in empathic behaviors.

◐Partially SupportedPro-social, non-sexual experiences activate the brain's reward circuitry.

◐Partially SupportedFriendships and social interactions provide emotional support and buffering.

◐Partially SupportedThe dopamine reward circuitry changes in models of addiction and depression.

◐Partially SupportedSocial engagement can reduce the perceived intensity of personal pain.

◐Partially SupportedThere is no current evidence that increasing oxytocin in individuals with autism improves sociality or desire for social connections.

◐Partially SupportedTrusted friends can watch offspring in one's absence, which is a benefit of social interaction.

◐Partially SupportedThe circuitry that reinforces pro-social interactions is highly reinforcing and evolved over millennia, likely because being social was adaptive for reproductive purposes and protection against predators in primitive human and pre-human species.

◐Partially SupportedNeurochemicals like dopamine and serotonin work in parallel to reinforce behaviors and thinking patterns.

◐Partially SupportedThe social transfer of pain in mice may be mediated by olfactory cues or pheromones.

◐Partially SupportedAlcohol use disorder has a genetic component, though environmental influences within families also play a role.

◐Partially SupportedMaintaining steady blood glucose levels without significant spikes or dips is crucial for energy and focus, impacting both immediate and long-term health.

◐Partially SupportedThe dopamine system, including reward circuitry, is closely tied to arousal and memory systems.

◐Partially SupportedSerotonin, dopamine, and oxytocin may influence brain circuitry and mechanisms mediating empathic behaviors.

◐Partially SupportedDopamine release in the nucleus accumbens is associated with highly rewarding experiences.

◐Partially SupportedA single administration of a drug of abuse like cocaine can cause changes in neural connections lasting several days to weeks.

◐Partially SupportedThe mammalian brain has 16 different serotonin receptors, offering possibilities for novel therapeutic agents.

◐Partially SupportedDrugs can serve as probes of brain function with specific molecular targets.

◐Partially SupportedRepeated administration of cocaine can strengthen and prolong its associated neurobiological changes.

◐Partially SupportedMDMA may serve as a valuable experimental and therapeutic probe of the brain.

◐Partially SupportedIt is impossible to become addicted to a substance if you have never used it.

✕Not SupportedPsychedelics and MDMA are not miracle cures and carry risks.

◐Partially Supported'Rewarding' refers to pleasure ('liking') and 'reinforcing' refers to motivation to repeat behavior ('wanting').

◐Partially SupportedThe addictive liability of a substance is directly correlated with the amount and rapidity of dopamine release in the accumbens.

◐Partially SupportedStimuli such as food, drugs of abuse, and dangerous events activate and cause the release of dopamine in the brain's reward circuitry.

◐Partially SupportedHuman brains are not designed to handle powerful synthetic substances like cocaine, methamphetamine, and fentanyl.

◐Partially SupportedExercise can provide reinforcing stimuli and satisfaction, acting as a healthy way to activate reward or dopamine circuitry.

◐Partially SupportedSerotonin release in the accumbens modulates dopamine release.

◐Partially SupportedTwelve-step programs appear to have high success rates in addiction recovery.

◐Partially SupportedAddiction recovery programs can be successful by helping individuals find alternative sources of pleasure and reward and by fostering a cognitive appreciation for abstinence.

◐Partially SupportedBehaviors like social transfer of pain, generosity, and compassion in mice involve the anterior cingulate cortex and its projections to the nucleus accumbens.

◐Partially SupportedDopamine is released in the nucleus accumbens during positive and potentially aggressive social interactions.

◐Partially SupportedFirst exposure to substances like alcohol or cocaine can increase susceptibility to addiction.

◐Partially SupportedDopamine is a major neuromodulator in the brain that mediates a complex array of actions, with its best-known function in the brain's reward circuitry.

◐Partially SupportedAddiction development involves a complex interplay of genetics, environment, and early life experiences that modify reward circuitry.

◐Partially SupportedBlue lotus flower tea contains morphine-like compounds and can cause bizarre dreams and prolonged sleep (14 hours).

◐Partially SupportedAutism may involve a restructuring of the reward system around social interactions.

◐Partially SupportedSocial media likely capitalizes on the same reward mechanisms as other reinforcing behaviors.

◐Partially SupportedStrict inclusionary and exclusionary criteria in clinical trials for psychedelic substances may exclude many individuals.

◐Partially SupportedThe brain's reward system is powerfully tuned to remember the behaviors that led to a rewarding experience, which can make it challenging to disengage from a rewarding activity.

◐Partially SupportedReinforcing cues in one context can become aversive in another context, such as after overeating.

◐Partially SupportedThe nucleus accumbens receives inputs from regions like the hippocampus.

◐Partially SupportedNicotine delivered in cigarettes is highly addictive, with tobacco companies optimizing the dose to create a short-lived feeling that encourages repeated use.