concept

neuroplasticity

Also known as: neural plasticity, neuroplastic, neuronal plasticity

Facts (39)

Sources

Effects of psychedelics on neurogenesis and broader neuroplasticity link.springer.com Springer Dec 19, 2024 15 facts

claimKetamine exhibits a dual profile regarding neurogenesis and neural plasticity: it promotes synaptogenesis, neurite growth, and new neuron formation in single-dose paradigms, but high doses or neonatal exposure are linked to neurogenesis impairment and long-term cognitive deficits.

referencePsychedelics are linked to neuroplasticity, and a 2021 systematic review by de Vos et al. published in Frontiers in Psychiatry aimed to unravel the biological underpinnings of these effects.

claimPsychoactive tryptamines, including psilocybin, DMT, and ibogaine, enhance neuroplasticity by promoting the proliferation, migration, and differentiation of neurons.

claimPsychedelics promote structural and functional neural plasticity.

claimThe majority of studies on psychoactive tryptamines provide evidence that they have the potential to enhance aspects of neuroplasticity.

claimPsychedelics have potential benefits for various neuropsychiatric conditions due to their effects on neuroplasticity, necessitating thorough understanding and careful handling for safe and efficacious deployment.

claimThe authors of this systematic review followed the PRISMA recommendations (Liberati et al. 2009) to identify articles related to the effects of psychedelics on neurogenesis and neurogenesis-related neuronal plasticity.

claimThe effects of psychedelics on neurogenesis and neuroplasticity appear to be modulated by serotonin receptors, specifically 5-HT2BR and 5-HT2AR.

referenceAleksandrova and Phillips (2021) identified neuroplasticity as a convergent mechanism shared by ketamine and classical psychedelics.

claimPsychedelics possess a significant capacity to enhance adult neurogenesis and neural plasticity.

claimThe neural plasticity effects of DOI and 25I-NBOMe are primarily mediated through serotonin receptors, specifically 5-HT2A and 5-HT2B.

claimHarmala alkaloids have a positive impact on neurogenesis and neuroplasticity, particularly within the framework of depression models.

referenceGrieco et al. (2022) reviewed the therapeutic implications of psychedelics in relation to neural plasticity.

claimThere are seven main classes of serotonin receptors (5-HT1 to 5-HT7), each containing multiple subtypes, which are involved in physiological functions such as mood regulation, cognition, neuroplasticity, and responses to stress and anxiety.

claimThe substances DOI and 25I-NBOMe influence neural plasticity by inducing transient dendritic remodeling and modulating synaptic transmission.

Neuroimaging in psychedelic drug development: past, present, and ... nature.com Nature Sep 27, 2023 13 facts

claimPET ligands [11C]UCB-J (targeting synaptic glycoprotein 2A, a marker of pre-synaptic terminals) and [18F]BCPP-EF (targeting mitochondrial complex 1, a marker of mitochondrial density) are used to assess neuroplasticity changes at a cellular/molecular level.

claimResearchers can utilize questionnaires from previous psychedelic drug trials, MEG, and EEG-based measures of neuroplasticity as supplementary tools alongside primary imaging techniques to study psychedelic drug effects.

referenceLoheswaran G, Barr MS, Zomorrodi R, Rajji TK, Blumberger DM, Foll BL, et al. authored 'Impairment of Neuroplasticity in the Dorsolateral Prefrontal Cortex by Alcohol', published in Scientific Reports in 2017, volume 7, page 1.

claimMRI-based techniques used to complement PET methods for assessing neuroplasticity include diffusion tensor imaging (for structural connectivity and microstructural tissue properties), magnetic resonance spectroscopy (for quantifying metabolite levels), and functional MRI (using task and resting-state paradigms).

claimNeuroplasticity is proposed as a convergent mechanism of action for both ketamine and classical psychedelics.

referenceThe study 'Neuroplasticity and MRI: A perfect match' was published in the journal NeuroImage in 2016, covering pages 13–28.

claimFuture research in psychedelic therapy aims to address the relationship between acute drug effects and longer-term clinical effects, the characterization of 5-HT2A receptor effects, and the impact of these compounds on neuroplasticity.

claimClinical studies in psychedelic therapy aim to establish a 'molecular-functional-clinical bridge' by characterizing the relationship between acute and longer-term clinically-relevant effects, investigating the 5-HT2A receptor's association with functional and clinical effects, and focusing on neuroplasticity.

claimEvidence of potential neuroplastic effects of psychedelics in humans has been observed in studies involving low-dose LSD and ayahuasca, both of which showed increased serum levels of brain-derived neurotrophic factor (BDNF) in active treatment groups.

claimTesting the relationship between network-disintegration observed in acute fMRI studies and longer-term measures of neuroplasticity, emotional function, or other post-dosing changes is considered a crucial test of current theories regarding psychedelic effects.

claimMRI-based methods provide indirect measures of neuroplasticity changes compared to PET, but they offer complementary information regarding functional effects related to underlying molecular and synaptic changes.

perspectiveThere is a prevailing scientific viewpoint that putative increases in neuroplasticity likely underlie the positive clinical effects of psychedelic therapy, a hypothesis largely derived from pre-clinical research.

claimSerotonergic psychedelics may treat depression through the mechanism of neuroplasticity.

Psychedelics, Sociality, and Human Evolution frontiersin.org Frontiers 6 facts

claimPsychedelics act as 'psychoplastogens' by rapidly promoting induced synaptogenesis and neural plasticity, as demonstrated by Ly et al. in 2018.

referenceThe study 'Psychedelics promote structural and functional neural plasticity' was published in Cell Reports in 2018, demonstrating that psychedelics promote neural plasticity.

claimPsychedelics elevate synaptic efficacy and neuroplasticity through their agonist action at 5-HT2A receptors, as reported by Ly et al. in 2018.

referenceInserra, De Gregório, and Gobbi published 'Psychedelics in psychiatry: neuroplastic, immunomodulatory, and neurotransmitter mechanisms' in Pharmacological Reviews in 2021.

claimI. Branchi described neural plasticity as a double-edged sword, noting that increasing serotonin levels leads to both greater vulnerability to depression and an improved capacity to recover, in a 2011 study.

claimThe 'pivotal mental state' induced by psychedelics involves generalized malleability, including enhanced synaptogenesis, neural plasticity, and low-level learning and extinction learning, which can aid self-actualization and self-editing.

The Montreal model: an integrative biomedical-psychedelic ... frontiersin.org Frontiers in Psychiatry 3 facts

claimKetamine and psilocybin appear to act as 'psychoplastogens,' which are agents that rapidly boost neuroplasticity.

claimKetamine is an off-label treatment that may yield significant but transient psychiatric benefits, potentially by acting through enhanced neuroplasticity.

claimThe Montreal model clinicians utilize the concept of a 'window of opportunity' following ketamine treatment, which refers to a period of symptomatic improvement and potentially enhanced neuroplasticity.

Ancient Roots of Today's Emerging Renaissance in ... link.springer.com Springer 1 fact

referenceCalvin Ly, Alexandra Greb, Lindsay Cameron, Jonathan Wong, Eden Barragan, Paige Wilson, Kyle Burbach, Sina Zarandi, Alexander Sood, Michael Paddy, Whitney Duim, A. Megan Dennis, Kimberly McAllister, Kassandra Ori-McKenney, John Gray, and David Olson published a 2018 study in Cell Reports titled 'Psychedelics Promote Structural and Functional Neural Plasticity' which demonstrates that psychedelics can induce neural plasticity.

Effects of psychedelics on neurogenesis and broader neuroplasticity pmc.ncbi.nlm.nih.gov PMC 1 fact

claimThe systematic review titled 'Effects of psychedelics on neurogenesis and broader neuroplasticity' examines studies assessing neurogenesis or other neurogenesis-associated brain plasticity following psychedelic interventions.