Czy autoteliczna, pozbawiona celu obecność opisana przez zen (tathatā) może zostać zmapowana neurologicznie jako tymczasowe zaprzestanie działania sieci przetwarzania predykcyjnego w ludzkim mózgu?

"tathata" "suchness" "shikantaza" non-referential awareness cognitive goal-directedness peer-reviewed

In Mahayana and Zen phenomenology, reality as it truly is—prior to dualistic conceptual filtering and linguistic reification—is termed **tathatā** (*suchness* or *thusness*). In the Japanese Sōtō Zen lineage founded by Eihei Dōgen (1200–1253), *tathatā* is not an abstract metaphysical target, but an immediate condition actualized through **shikantaza** (“just sitting”). Practitioners enact this by radically divesting meditation of instrumental goal-directedness (*mushotoku*, “without gaining idea”). For Dōgen, practice is not a means to an end; rather, practice and realization are intrinsically identical (*shushō-ittō*). This stance generates a recognized internal tension within Zen: while Sōtō emphasizes silent illumination (*mozhao*) and non-teleological presence where sitting itself is enlightenment, the Rinzai school historically leverages goal-oriented kōan investigation to provoke a distinct, disruptive breakthrough (*kenshō*). ### Primary Texts and Figures In the foundational manual *Fukanzazengi* (“Universal Guide to Zazen”), Dōgen articulates the cognitive orientation of *shikantaza* by citing an exchange from Chan master Yaoshan Weiyan: > *"Think of not-thinking. How do you think of not-thinking? Non-thinking [hishiryō]. This in itself is the essential art of zazen."* Dōgen adds: *"If you want to attain suchness, you should practice suchness without delay."* ### Core Terminology * **Hishiryō (Non-thinking / Beyond-thinking):** Neither intentional discursive thought (*shiryō*) nor the deliberate suppression or blanking of mental activity (*fushiryō*). It denotes a non-positional, pre-reflective awareness that allows phenomena to arise and cease without cognitive grasping. * **Non-referential Awareness:** A state lacking an intentional object or cognitive reference point, wherein subject-object duality dissolves into bare registering. ### Empirical and Cognitive Perspectives In peer-reviewed contemplative neuroscience, Antoine Lutz, John Dunne, and Richard Davidson (notably in *Trends in Cognitive Sciences*, 2008) operationalized practices related to *shikantaza* as **Open Monitoring (OM)** transitioning into **non-referential open presence**. Unlike Focused Attention (FA)—which relies on top-down goal-directed circuits to anchor attention on a specific object—open monitoring suspends selective targeting and teleological cognitive control. Empirical studies robustly demonstrate that OM meditation decreases default mode network (DMN) activity and reduces attentional capture. *Epistemic qualification:* While altered attention distribution, decreased self-referential DMN activity, and reduced cognitive reactivity are well-replicated neurocognitive findings, broader Zen phenomenological claims regarding an unconditioned ontological encounter with "absolute suchness" remain philosophical assertions outside the empirical purview of neurobiology.

• meditationcircle.org.uk
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• stonewaterzen.org
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• mindandlife.org
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• plymouth.ac.uk
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"predictive processing" "meditation" hierarchical predictive coding precision weighting sensory prediction errors Friston

In contemporary computational neuroscience, **predictive processing (PP)** and the **Free Energy Principle** (formulated prominently by Karl Friston) characterize the brain not as a passive receiver of sensation, but as a hierarchical Bayesian machine. To minimize uncertainty ("free energy"), higher cortical layers generate top-down hypotheses that cascade downward to anticipate incoming data, while lower levels pass back upward only the discrepancy: **sensory prediction errors**. Within this framework, meditation is conceptualized as a systematic recalibration of **precision weighting**—the computational "gain" or confidence dial the brain assigns to specific prediction errors. As Friston and Feldman established, attention is formally equivalent to optimizing precision: amplifying reliable signals while damping noise. ### Meditative Mechanics and Deconstruction Contemplative computational neuroscientists—notably Antoine Lutz, Giuseppe Pagnoni, Ruben Laukkonen, and Heleen Slagter—map meditation along this predictive hierarchy: 1. **Focused Attention (FA):** By concentrating precision on a solitary, raw sensory channel (such as airflow at the nostrils), the brain down-weights habitual, discursive top-down predictions. Lutz, Mattout, and Pagnoni (2019) emphasize the epistemic value of meditative physical stillness ("non-action"): by inhibiting overt *active inference*—the default tendency to act on the world to fulfill internal expectations—the brain is compelled to update its rigid prior assumptions rather than manipulate sensory inputs. 2. **Open Monitoring and Non-Dual Practice:** In their landmark synthesis, *From many to (n)one: Meditation and the plasticity of the predictive mind* (2021), Laukkonen and Slagter propose that advanced meditation "gradually reduces counterfactual temporally deep cognition". By systematically withdrawing precision from abstract, narrative priors—especially the generative model of an enduring ego or subject-object divide—the practitioner deconstructs the self-model, opening awareness to unmediated sensory dynamics and, in extreme cases, meditative cessation (*nirodha*). ### Epistemic Status While hierarchical predictive coding and precision weighting represent mainstream, highly influential computational paradigms in neurobiology, their direct application to contemplative states remains a **theoretical modeling framework** rather than an empirically settled consensus. While supported by behavioral metrics, neuroimaging of the Default Mode Network, and altered sensory evoked potentials, non-invasive imaging cannot yet directly track layer-specific prediction error units in meditating human cortex. Thus, viewing meditation as Bayesian deconstruction is an elegant, productive hypothesis, but ongoing empirical validation is required.

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Zen meditation default mode network task-positive network fMRI functional connectivity present-moment awareness

### Disciplinary Framework & Consensus Mainstream cognitive neuroscience interprets Zen meditation primarily through the dynamic interaction of large-scale intrinsic brain networks: the **Default Mode Network (DMN)**—associated with self-referential cognition, mind-wandering, and episodic memory—and the **Task-Positive / Central Executive Network (TPN/CEN)**, involved in externally driven, goal-directed attention. Under standard conditions, these systems exhibit reciprocal anti-correlation. The scientific consensus indicates that extensive meditative practice—such as *zazen* (seated meditation encompassing focused attention on breath and open-monitoring *shikantaza*)—alters both state-dependent activation and resting-state functional connectivity. Specifically, practice attenuates spontaneous DMN activity while strengthening regulatory coupling between attentional and default structures, supporting present-moment awareness free from discursive elaboration. ### Landmark Empirical Studies & Key Figures * **Pagnoni, Cekic, & Guo (2008):** In an fMRI study on Zen practitioners performing a lexical task during meditation, researchers demonstrated that meditators exhibited a *"reduced duration of the neural response linked to conceptual processing in regions of the default network,"* suggesting voluntary regulation over the cascade of automatic semantic associations. * **Brewer et al. (2011, *PNAS*):** Investigating experienced meditators across multiple techniques (including choiceless awareness), this landmark study found that primary DMN hubs—the **medial prefrontal cortex (mPFC)** and **posterior cingulate cortex (PCC)**—showed marked deactivation. Meditators also exhibited increased functional connectivity between the PCC, dorsal anterior cingulate cortex (dACC), and dorsolateral prefrontal cortex (dlPFC), consistent with enhanced real-time monitoring and reduced mind-wandering. * **James H. Austin, MD:** A neurologist and Zen practitioner whose works (*Zen and the Brain*, 1998; *Zen-Brain Reflections*, 2006) laid conceptual foundations describing how meditative absorptions shift activity away from egocentric default loops toward sensory, bottom-up processing. ### Scientific Distinctions & Epistemic Boundaries Mainstream neuroscience separates established empirical observations from popular or metaphysical extrapolations: 1. **Network Synergy vs. Absolute Suppression:** Contemporary models challenge the simplistic view that meditation merely "switches off" the DMN. More nuanced research reveals that open-monitoring and advanced meditative states involve cooperative restructuring and salience network mediation between DMN and CEN, rather than crude inhibition. 2. **Methodological Limits:** Methodologists emphasize that correlating subjective reports of "no-self" or "presence" with BOLD signal reductions carries the risk of **reverse inference** (illicitly deducing psychological states purely from anatomical activations). Furthermore, early Zen fMRI studies often relied on small cross-sectional cohorts vulnerable to self-selection bias, distinguishing robust neuroimaging observations of network modulation from speculative claims regarding consciousness itself.

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• pnas.org
• researchgate.net
• mindfulnessassociation.net
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• frontiersin.org
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"predictive mind" non-conceptual content Clark Hohwy Bayesian phenomenology of consciousness

In contemporary analytic philosophy of mind and philosophical naturalism, the **Predictive Processing (PP)** framework interprets the conscious mind as a hierarchical Bayesian machine. Rather than passively registering bottom-up inputs, the brain maintains internal **generative models** that predict sensory inputs, actively driving **prediction error minimization (PEM)** by updating internal hypotheses or acting on the world. ### Phenomenology and Non-Conceptual Content Under PP, phenomenal consciousness tracks the hypothesis currently selected as the most probable cause of incoming sensory signals. The philosophical problem of **non-conceptual content**—the thesis that perceptual experience presents fine-grained, analogue richness outstripping our conceptual repertoire—is mapped onto the cortical hierarchy: lower tiers compute dense, high-dimensional statistical variations (non-conceptual sensory features), while higher tiers settle into categorical, conceptual priors. ### Key Figures and Internal Tensions While naturalist philosophers broadly accept the Bayesian mechanics of predictive coding, they diverge sharply on its metaphysical implications: * **Jakob Hohwy** (*The Predictive Mind*, Oxford University Press, 2013) defends an internalist, neurocentric realism. Hohwy characterizes the brain as essentially an inferentially isolated *"hypothesis-testing mechanism"*. In his view, perceptual consciousness is an indirect, representational achievement enclosed behind a sensory boundary (a Markov blanket), distancing the mind from the external environment. * **Andy Clark** (*Surfing Uncertainty*, Oxford University Press, 2016; *Behavioral and Brain Sciences*, 2013) rejects Hohwy's cranial seclusion, arguing for an embodied, enactivist reading. For Clark, predictive minds minimize error via tightly coupled sensorimotor action loops, directly "surfing" real-world affordances rather than dwelling behind an epistemic veil. ### Distinctive Concepts * **Generative Model:** A probabilistic internal simulation of worldly causes generating predicted sensory flows. * **Prediction Error:** The mismatch between top-down forecasts and bottom-up sensory signals. * **Precision Weighting:** The computational equivalent of attention, dynamically adjusting how much statistical confidence (or synaptic gain) is assigned to incoming prediction errors versus existing priors. ### Epistemic Status Hierarchical predictive coding is a leading, mathematically formalized paradigm in computational neuroscience with solid empirical backing in sensory phenomena like binocular rivalry and perceptual illusions. However, its application as a totalizing theory of *phenomenal consciousness*—specifically whether PEM accounts for qualitative "what-it-is-likeness"—remains an ambitious philosophical hypothesis rather than established empirical consensus.

• predictive-mind.net
• nd.edu
• uwaterloo.ca
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• predictive-mind.net
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• dokumen.pub
• google.com
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• cimc.ai

"hesychasm" OR "apophatic prayer" "The Cloud of Unknowing" cessation of discursive thought cognitive processing

In Christian apophatic theology (*via negativa*), the ultimate Divine radically transcends human conceptuality, imagery, and discursive language. Authentic contemplation is therefore viewed not as rational inquiry (*dianoia*), but as a disciplined cessation of discursive cognitive processing to enable receptive, unmediated communion with God. This tradition is historically expressed across two primary branches: ### 1. Eastern Orthodox Hesychasm Dating to early desert monasticism (e.g., Evagrius Ponticus, who defined prayer in *Chapters on Prayer* as “a putting-away of thoughts”) and formalized by Gregory Palamas (*The Triads*), hesychasm (*hesychia*, "inner stillness") trains *nepsis* (mental sobriety/watchfulness). Practitioners repeatedly pray a brief formula (the Jesus Prayer) to lead the *nous* (the intuitive, contemplative faculty) out of multi-directional thoughts and down into the *kardia* (heart). *Key Tension:* The 14th-century Hesychast controversy pitted Palamas against the scholastic philosopher Barlaam of Calabria, who attacked the cessation of discursive reason and psychosomatic prayer as irrational quietism. Palamas defended hesychasm by positing the essence–energies distinction: while God's essence remains completely unknowable, humans can directly experience God's uncreated divine energies. ### 2. Western Apophaticism & *The Cloud of Unknowing* Heavily influenced by Pseudo-Dionysius, the anonymous 14th-century Middle English treatise *The Cloud of Unknowing* directs the contemplative to surrender conceptual intellect: *"Strike down every kind of thought under the cloud of forgetting"* (Ch. 7). Discursive ideation—even regarding theological virtues—must be suppressed beneath this "cloud of forgetting," while the contemplative directs a single-pointed, "blind stirring of love" through the "cloud of unknowing": > *“He may well be loved, but not thought. By love may he be gotten and holden; but by thought neither.”* ### Cognitive Processing and Epistemic Status From the standpoint of mainstream cognitive neuroscience, the subjective "cessation of discursive thought" observed in hesychastic and centering prayer parallels established findings across focused-attention and open-monitoring meditations. Empirical studies demonstrate: * Downregulation of key nodes within the **Default Mode Network (DMN)**—primarily the medial prefrontal cortex and posterior cingulate cortex—which mediates mind-wandering, conceptual narrative, and self-referential rumination. * Upregulation of frontoparietal and salience networks supporting sustained attention and non-judgmental awareness. **Epistemic Distinction:** While peer-reviewed neuroscience confirms that disciplined contemplative methods dampen internal verbal monologue and restructure attention networks, these empirical data explain only neurocognitive mechanisms. Claims that such states constitute communion with uncreated divine energies, trans-rational realities, or non-material consciousness remain theological and metaphysical commitments outside the boundaries of empirical science.

• wikipedia.org
• thirdwell.org
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• lighthousetrailsresearch.com
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• charlotte.edu
• insighttimer.com
• nih.gov
• cannelevate.com.au
• frontiersin.org
• harvard.edu

"wuwei" effortless action spontaneous presence cognitive science predictive control Slingerland

In classical Chinese thought, ***wuwei*** (無為)—conventionally translated as “non-doing,” but more accurately rendered as “effortless action” or unselfconscious spontaneity—names an ideal state in which an agent acts with absolute efficacy and grace without deliberate striving. ### Philosophical Branches and the Core Tension As sinologist and cognitive scientist Edward Slingerland highlights (*Effortless Action*, 2003; *Trying Not to Try*, 2014), early Warring States thought is driven by the **“paradox of *wuwei*”**: how can an agent consciously *try* to be spontaneous? * **Confucians** resolved this tension externally: in the *Analects* (2.4), Confucius achieves effortless moral harmony only at age seventy, when he could “follow my heart's desires and never transgress the bounds” through decades of rigorous ritual cultivation (*li*). * **Daoists** rejected deliberate artifice, seeking spontaneous presence (*ziran*) by shedding cultural conditioning. In chapter 3 of the *Zhuangzi*, the butcher Cook Ding dismembers an ox without dulling his knife by following its natural hollows: *“What I care about is the Way [Dao], which goes beyond skill”*—acting not through deliberate calculation, but through fluid, embodied alignment. ### Cognitive Science Translation Slingerland bridges early Chinese thought and contemporary cognitive psychology via dual-process theory: * **Cold cognition (System 2):** Conscious, effortful, rule-governed cognitive control centered in the lateral prefrontal cortex (LPFC) and anterior cingulate cortex (ACC). * **Hot cognition (System 1):** Fast, automatic, implicit procedural and emotional processing. In *wuwei*, conscious executive control downregulates while situational vigilance persists: *“the mind is embodied and the body is mindful; the two systems—hot and cold, fast and slow—are completely integrated. The result is an intelligent spontaneity that is perfectly calibrated to the environment”*. ### Epistemic Status * **Empirical Consensus:** Mainstream cognitive neuroscience robustly supports the concept that peak motor and creative improvisation relies on the temporary down-regulation of explicit, top-down prefrontal monitoring (empirically demonstrated in fMRI studies of spontaneous expertise, such as Limb & Braun, 2008). Over-monitoring reliably impairs automatic procedural motor programs (the “choking” effect). * **Speculative / Emerging Models:** Extending *wuwei* into formal frameworks of predictive control—such as active inference, hierarchical predictive processing (minimizing prediction error without conscious intervention), or evolutionary signaling models of trust—remains an active, theoretically compelling hypothesis in interdisciplinary cognitive science rather than an empirically settled scientific consensus.

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• jhu.edu
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• thephilosopher1923.org
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• hiddenbrain.org
• exhibitingbias.blog

"REBUS model" Carhart-Harris predictive coding meditation relaxed priors altered states of consciousness

### Framework Overview & Status The **REBUS** model (*RElaxed Beliefs Under pSychedelics*) and adjacent predictive processing accounts of meditation represent **speculative, theoretical neurocomputational hypotheses** rather than settled empirical consensus. Situated at the intersection of cognitive neuroscience and computational psychiatry, these models integrate Karl Friston’s *free-energy principle* and hierarchical predictive coding with empirical neuroimaging of altered states of consciousness (ASCs). In predictive coding, the waking brain acts as an active inference engine, deploying high-level, top-down models (**priors**) to predict sensory inputs and suppress prediction errors. Under the REBUS framework—formulated by Robin Carhart-Harris and Karl Friston in their landmark paper *“REBUS and the Anarchic Brain: Toward a Unified Model of the Brain Action of Psychedelics”* (2019)—pharmacological agents (via cortical 5-HT2A receptor agonism) or contemplative practices disrupt this hierarchy. Specifically, they down-weight the **precision** (confidence) assigned to high-level priors, flattening the brain’s energy landscape and liberating ascending, bottom-up information flow. ``` Ordinary Cognition: Rigid High-Level Priors ──[suppress]──► Sensory / Limbic Input REBUS / Meditation: Relaxed Priors (Low Precision) ◄──[liberated]── Prediction Errors (High Entropy) ``` ### Core Concepts and Contemplative Parallels * **Relaxed Priors & The Anarchic Brain:** Carhart-Harris and Friston state that psychedelics work to *"relax the precision of high-level priors or beliefs, thereby liberating bottom-up information flow, particularly via intrinsic sources such as the limbic system"*. Without the central constraint of high-level priors (often localized to the default mode network), the brain enters an “anarchic” state characterized by elevated entropy. * **Unconstrained Cognition & Meditative Deconstruction:** Ruben Laukkonen and Heleen Slagter (*“From many to (n)one: Meditation and the plasticity of the predictive mind,”* 2021) extend similar computational logic to contemplative practice. They argue that deconstructive meditation gradually attenuates top-down expectations, noting that practice *"gradually reduces counterfactual temporally deep cognition, until all conceptual processing falls away, unveiling a state of pure awareness"*. ### Internal Tensions and Practical Application In clinical psychiatry, REBUS frames therapeutic transformation as a transient window of plasticity: loosening hyper-rigid, pathological priors (e.g., depressive rumination or compulsive habits) allows patients to revise maladaptive self-models. However, theoretical tensions remain: 1. **Veridical Insight vs. Unconstrained Confabulation:** While practitioners subjectively report direct access to "unfiltered reality" or ego dissolution, critics note that precision-attenuation impairs the brain’s reality-testing architecture, leaving the system highly vulnerable to epistemic drift, suggestion, and hyper-associative delusions. 2. **Empirical Verification:** While computational simulations and resting-state fMRI support gross entropy increases and network desynchronization, measuring the precise Bayesian updating of multi-tiered neural priors in human subjects remains methodologically challenging.

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