Jean Khoury

Summary: This article proposes a neuroscientifically informed phenomenology of Lectio Divina. Drawing principally on the work of Iain McGilchrist, particularly his distinction between two fundamental modes of attention corresponding to the left and right cerebral hemispheres. It argues that the classical practice of Lectio Divina involves not a rejection of exegetical analysis but its deliberate re-situation within a wider, participatory mode of attentional integration. The analytical phase of Lectio (the careful use of exegetical tools to understand the text) corresponds broadly to what McGilchrist describes as a representational, narrowing mode of attention. The contemplative phase, i.e. the opening of attention toward Christ as the living, present Speaker, corresponds to a more integrated, relational, and participatory mode. The article further proposes that this transition constitutes a structural analogue to sacramentality: the text becomes the visible sign through which the invisible grace, i.e. the living address of the Risen Lord, is mediated. Neuroscience neither proves nor disproves the theological claim, but it furnishes a compelling account of why the purely analytical engagement with a sacred text tends toward what can only be described as a “wall” of semantic closure and why the deliberate re-orientation of attention toward a living Presence allows the same already-understood text to become alive. The integration of both attentional modes – rather than any simplistic hemispheric switching – constitutes the condition of possibility for genuine encounter within Lectio Divina.

I. Introduction

The practice of Lectio Divina, the ancient monastic form of prayerful engagement with Scripture, involves at least two distinct and irreducibly different forms of attention. The first is exegetical: it requires the reader to deploy the full range of hermeneutical tools available (historical-critical analysis, literary structuralism, canonical reading, intertextual comparison, philological precision) in order to establish, with the greatest possible fidelity, what the text says. The second is contemplative: it requires the reader to cease treating the text as an object of analysis and to become receptive to the text as a medium of personal address: the living Word spoken by the Risen Christ into the present moment of the reader’s life.

For many practitioners of Lectio Divina, the transition between these two modes of engagement is not merely a change of intellectual gear. It is experienced as a passage through a threshold. On one side of this threshold, the text is known, parsed, contextualised, and yet somehow silent, inert, as it were, despite its richness of meaning. On the other side, a single word or phrase within the very same text seems suddenly to speak, to address the reader with a directness and intimacy that no amount of analysis had previously yielded. This is what St. Teresa of Ávila recognised when she insisted that the indispensable first act of prayer is consideration: a deliberate reorientation of attention toward the awareness of who is present, to whom one speaks, and from whom one receives.

The central claim of this article is that the neuroscientific framework developed by Iain McGilchrist, particularly as articulated in The Master and His Emissary (2009) and The Matter with Things (2021), provides a philosophically rich and scientifically defensible account of why this threshold exists, what happens when it is crossed, and why both modes of attention are necessary and complementary rather than competitive. The argument proceeds in four stages: an account of McGilchrist’s hemispheric distinction as a distinction of attentional stance rather than cognitive content; an analysis of the exegetical phase of Lectio Divina as a necessary but potentially self-closing mode of representational engagement; an account of the contemplative re-orientation as the restoration of attentional primacy to a participatory, integrated mode of perception; and a theological articulation of this transition in terms of sacramentality.

II. McGilchrist’s Distinction: Two Modes of Attention, Not Two Cognitive Departments

A common misreading of McGilchrist’s thesis reduces it to the familiar popular claim that the left hemisphere “does” logic and language while the right hemisphere “does” creativity and intuition. This misreading, which McGilchrist himself explicitly and repeatedly repudiates, misses the decisive conceptual move of his work. McGilchrist’s claim is not about the distribution of cognitive tasks between the hemispheres but about the distribution of attentional stances. The hemispheres are not two systems that process different kinds of content; they are two fundamentally different ways of relating to reality as such.

The left hemisphere, in McGilchrist’s account, tends to attend to what is already known, already categorised, already fixed into representation. It abstracts, decontextualises, and manipulates. It is excellent at dealing with what the world contains when the world has already been broken down into manageable, graspable units. It is the hemisphere of the map: precise, efficient, and indispensable, but capable of mistaking the map for the territory.

The right hemisphere, by contrast, attends to what is new, whole, living, and contextually embedded. It perceives the world not as a collection of things but as a field of presences, interconnected, embodied, unfolding in time. It does not merely re-present reality; it presents it, in the phenomenological sense of allowing it to appear in its own right. It is the hemisphere of genuine encounter, not in any mystical sense, but in the sense of allowing what is other to be received as genuinely other rather than as a projection of what is already known.

The pathology McGilchrist diagnoses in modernity is not the exercise of left-hemispheric analysis, which he regards as both legitimate and necessary, but its assumption of sovereignty: the progressive marginalisation of the right hemisphere’s contribution until the world is experienced exclusively as a field of represented objects rather than as a living context of meaning. This is what one might call the suffocation of presence by representation. The world becomes fully explicable and, precisely for that reason, existentially inert.

This distinction is important for the argument of this article because it displaces the question from “which hemisphere is active?” to “which mode of attention is dominant?” The transition in Lectio Divina is not a neurological switch but an attentional reconfiguration, a shift in the quality and orientation of the reader’s engagement with both the text and the One who speaks through it.

Note: The corpus callosum, as the major commissural pathway between hemispheres, enables continuous interhemispheric communication and thus provides the structural basis for any integrated cognitive experience. However, contemporary neuroscience does not describe this structure as dynamically ‘increasing’ its function during particular mental states; rather, changes in experience are attributed to shifts in large-scale network dynamics and attentional configuration.

III. The Exegetical Phase: Necessary Engagement and Its Inherent Limit

It is essential to insist, at the outset of this section, that exegetical analysis is not merely tolerated within Lectio Divina but required by it. The classical monastic tradition, the Patristic hermeneutic, and the magisterial documents of the Catholic Church’s biblical apostolate are unanimous on this point: the sacred text must be understood before it can be received. The Dei Verbum of the Second Vatican Council speaks of the necessity of attending to “the intention of the sacred writers” and of using “all the tools of textual and literary scholarship.” The desire to hear the Word of God does not exempt the reader from the obligation of intellectual rigour.

What exegesis accomplishes, in McGilchrist’s terms, is the establishment of a stable representational field. The text, through sustained analytical engagement, yields its grammar, its literary structure, its historical context, its intertextual resonances, its doctrinal implications. The reader comes to know, with ever greater precision, what the text contains. This is an indispensable achievement. The contemplative encounter with the living Word is not served by ignorance of what the text actually says.

However – and this is the crux of the argument – if the analytical mode of engagement remains sovereign, a characteristic phenomenon occurs which can only be described as semantic saturation. The text has been fully mapped. Its contents have been exhausted by explicit representation. And yet it remains, in the existential sense, silent. The reader has mastered the text but has not been addressed by it. The Fathers of the Church were familiar with this phenomenon, even if they described it in different terms. Origen spoke of the letter that kills when it is not animated by the Spirit. St. Paul’s famous antithesis in 2 Corinthians 3:6 (“the letter kills, but the Spirit gives life”) should not be read as a depreciation of the text, but as a precise description of what happens when the text is encountered exclusively through the mode of representational analysis.

In McGilchrist’s vocabulary, what the exclusive exercise of exegetical analysis produces is a state in which the text has been fully re-presented (held at a distance, decomposed into its constituent elements, categorised and indexed) but has ceased to be present. The wall that practitioners of Lectio Divina commonly describe, the sense that the text, however thoroughly understood, has nothing more to say, is not a failure of analysis. It is, paradoxically, its success: the text has been fully rendered as an object of knowledge, and for that very reason has lost its capacity to function as a medium of address. The map has been completed. The territory, however, has disappeared.

IV. The Contemplative Re-orientation: The Restoration of Attentional Primacy

The transition characteristic of Lectio Divina, i.e. the passage from analytical engagement to contemplative receptivity, is not, therefore, a movement away from the text. It is a transformation in the mode of the reader’s relation to the same text. The exegetically understood material is not discarded; it is re-inhabited. What changes is not the semantic content of the text but the attentional stance of the reader toward it.

This is precisely the movement that Teresa of Ávila describes under the term consideration. Before prayer can become genuine dialogue, the person who prays must reorient attention (it is a form of act of faith in Jesus present who wants to speak to me): away from the text as object and toward the awareness of a living Presence who speaks through the text and toward whom speech is directed (it is a change of focus as a camera does).

“Because, as far as I can understand, the door by which one enters this castle is prayer and consideration. I do not mean mental prayer rather than vocal prayer; for if it is prayer at all, it must be accompanied by consideration. For the person who does not attend to whom he is speaking, what he is asking, who it is that asks, and of whom he asks it, I do not call that prayer, however much he may move his lips.” (St. Teresa of Avila, Interior Castle, I,1,7)

This act of reorientation is not the abandonment of intellectual preparation; it is, rather, the placing of that preparation at the service of a different mode of attention, one that is open to encounter rather than oriented toward mastery.

McGilchrist’s framework illuminates why this reorientation produces the characteristic experience of the text “becoming alive.” The right hemisphere, in his account, is uniquely attuned to what is unfolding, contextually alive, and relationally present. When the mode of attention shifts from representational analysis to participatory receptivity, the same textual content, now thoroughly understood, becomes available to a different order of perception. A single word or phrase, already parsed by the exegete, can now function as what the phenomenological tradition would call a locus of address: a point at which the analysed material becomes transparent to the One who speaks through it.

What neuroscience can add to this account (carefully and without overreach) is the observation that such attentional shifts involve a reconfiguration of large-scale neural networks. The dominance of task-positive, executive, and language-processing networks during exegetical analysis gives way, in the contemplative phase, to a broader integration involving the default-mode network, the limbic system, autobiographical memory, and the salience network. This integration is not the replacement of analytical processing by something else. It is the embedding of analytical processing within a richer, more unified field of conscious experience. The result, as contemporary cognitive neuroscience confirms, is a qualitatively different mode of awareness: richer, more alive, more personally significant.

What neuroscience describes as integrated large-scale network reconfiguration corresponds, at the level of lived experience, to what the practitioner of Lectio Divina describes as the text speaking. And it corresponds, at the theological level, to the encounter with the Risen Christ who speaks through Scripture in the Church.

Note: It is not that one hemisphere must be reactivated after the other. It is that narrowly analytic attention can produce a highly differentiated but locally confined representation of the text, and that contemplative or relational attention allows those differentiated representations to be reintegrated into a broader, emotionally and existentially meaningful whole. The subjective sense of “encounter” corresponds to this reintegration of distributed neural processes into a unified field of awareness.

V. Sacramentality as the Structure of the Encounter

The category that most precisely captures the structure of what occurs in the contemplative phase of Lectio Divina is sacramentality. A sacrament, in classical theological definition, is a visible sign through which invisible grace is given. The sign is not abolished by the grace it mediates; it is fulfilled by it. The grace is not separate from the sign; it is given through it and in it.

This is precisely the structure of the contemplative encounter in Lectio Divina. The text (the letter, the words on the page) does not disappear when the reader passes from analysis to encounter. The text remains entirely itself: a historical document, a human composition, a linguistic artefact. But it is no longer encountered exclusively as these things. It becomes, in addition, the material sign through which the Risen Christ addresses the reader in the present moment. The textual sign is the visible element; the living Word of Christ is the grace given through it. The encounter is sacramental in structure.

McGilchrist’s distinction between representation and presence maps, with remarkable precision, onto this sacramental structure. The text encountered as object, i.e. exhaustively represented by exegesis, corresponds to the sign considered in itself, as mere material. The text encountered as medium, i.e. transparent to the living Presence who speaks through it, corresponds to the sign functioning sacramentally, as the vehicle of grace. The passage from the one to the other is not a change in the text but a change in the attentional mode through which the text is received.

It is worth quoting St. Gregory the Great’s famous observation that “the words of God grow with the one who reads them.” This is not a statement about the semantic content of Scripture changing with the reader’s progress. It is a statement about the mode of reception changing: the same words, encountered through an increasingly integrated and receptive mode of attention, yield an increasingly rich experience of personal address. What the practitioner of Lectio Divina discovers, over time, is not new information within the text but a deeper participation in the living reality that the text mediates.

VI. The Stained Glass: A Concluding Image

The image of the stained-glass window may serve to crystallise the argument. A person standing before a great medieval window can engage with it in multiple ways. A chemist can analyse the composition of the glass and pigments. A physicist can study the wavelengths of transmitted light. An art historian can identify the iconographic programme, the period, the school, and the craftsmen involved. All of this knowledge is legitimate, valuable, and may even deepen the final experience. But none of it is identical with the experience of stepping back, allowing the eye to rest, and receiving the window as a whole, as a luminous field of meaning through which light speaks.

The person who spends years examining only the chemical composition of the glass will not, by that method, arrive at an encounter with the window’s meaning. Not because the chemical analysis is wrong, but because it involves a mode of attention, i.e. focused, decomposing, representational, that is structurally incompatible with the reception of the window as a whole. To receive the window as a whole requires a different attentional stance: broader, more receptive, more willing to be addressed rather than to analyse.

This is precisely the dynamic of Lectio Divina. The exegetical phase analyses the glass and the pigments, rigorously, faithfully, indispensably. The contemplative phase steps back and allows the light to speak through what has been analysed. The analysis does not produce the light. But without the analysis, the reader would stand before the window without knowing what it says. And without the step back, the reader would know what the window says without ever receiving the light it was made to transmit.

VII. Practical Conclusions

1. Exegesis as Indispensable Preparation, Not Sufficient Completion

The practitioner of Lectio Divina should resist two opposite temptations: the temptation to skip the analytical phase (treating the text as a pretext for spiritual impressions) and the temptation to remain permanently within it (treating the text as an object of indefinite scholarly investigation). Exegetical analysis is the preparation of the ground; it is not the harvest. The wall of semantic closure is not a failure but a signal: the representational work has been accomplished, and a different mode of attention is now required.

2. The Act of Re-orientation as a Deliberate Spiritual Discipline

The transition from analysis to contemplation does not occur automatically. It requires a deliberate act of attentional re-orientation, what Teresa of Ávila calls consideration. This act involves, at minimum, three elements: the cessation of active analytical processing; the acknowledgement of a living Presence (the Risen Christ, present and speaking); and the adoption of a receptive, listening posture toward the same text already understood. This is not a passive collapse of effort but an active change of attentional mode.

3. Integration Rather Than Alternation

The goal of Lectio Divina is not the alternation of two incompatible activities but their integration. The exegetically understood text is not put aside when contemplation begins; it becomes the material through which contemplation is shaped and disciplined. The contemplative encounter is not vague spiritual feeling; it is the reception of specific textual meaning as personal address. The two modes of attention are hierarchically ordered, i.e. the participatory encompasses and completes the analytical, but both remain active within the integrated experience.

4. Attentional Ecology: The Danger of Exclusive Representation

McGilchrist’s broader cultural diagnosis — that modernity has progressively marginalised participatory, relational modes of attention in favour of representational, analytical ones — applies with particular force to the contemporary practice of biblical scholarship. Where the tools of exegesis become the exclusive measure of legitimate engagement with Scripture, the sacramental dimension of Lectio Divina is structurally precluded. Practitioners and teachers of Lectio Divina must therefore cultivate what might be called an attentional ecology: a deliberate and sustained maintenance of the conditions under which the text can be encountered as a living medium of address rather than merely as an object of study.

5. Neuroscience as a Description, Not a Cause

The neuroscientific framework deployed in this article describes the human attentional conditions for the experience of encounter. It does not explain, produce, or validate the theological claim that the encounter is with the Risen Christ. That claim belongs to faith, spiritual discernment, and the theology of the Word. What neuroscience contributes is a coherent account of why certain modes of attention tend toward experiential closure and others toward experiential openness and why the deliberate cultivation of integrated, participatory attention is not a retreat from intelligence but its fulfilment.

VIII. Conclusion

The practice of Lectio Divina represents one of the oldest and most refined forms of attentional discipline in the Christian tradition. It has long been understood, by its practitioners and teachers, that the text of Scripture can be encountered in at least two irreducibly different modes: as an object of analysis and as a medium of living address. What Iain McGilchrist’s neuroscientific phenomenology provides, when applied carefully and without overreach, is a rigorous contemporary vocabulary for understanding why this difference exists, what it corresponds to in the structure of human attention, and why both modes are necessary and complementary rather than opposed.

The argument of this article can be summarised in a single proposition: Lectio Divina reaches its proper fulfilment when the representational mode of attention, exercised through exegetical analysis, is re-situated within a participatory, integrated mode of attention that allows the same understood text to become transparent to the living Presence of the Risen Christ. This transition is not a neurological switch, a rejection of scholarship, or a flight into subjectivism. It is the restoration of attentional primacy to the mode of attention that is, in McGilchrist’s terms, more complete, more veridical, and more capable of encountering reality as presence rather than as representation.

Theologically, this transition has the structure of sacramentality: the text becomes the visible sign through which invisible grace, the living Word of Christ, is given. The sign is not abolished; it is fulfilled. The analysis is not discarded; it is completed. The light does not destroy the glass through which it shines; it reveals what the glass was always made to transmit.

Meaningful experience, as neuroscience affirms, involves the coordination of cognition, emotion, memory, attention, imagery, bodily awareness, and personal significance. More integrated states feel richer, more real, and more alive than narrowly analytical ones. Lectio Divina, in its classical form, is a disciplined human practice for the cultivation of precisely such integrated states, in the service, and under the action, of a grace that exceeds them.

More on Lectio Divina, see here.

Bibliography

Primary Sources

Gregory the Great. Homiliae in Hiezechihelem Prophetam. Edited by M. Adriaen. Corpus Christianorum Series Latina 142. Turnhout: Brepols, 1971.

Origen. De Principiis. Translated by G.W. Butterworth. New York: Harper & Row, 1966.

Teresa of Ávila. The Way of Perfection. Translated by E. Allison Peers. Garden City, NY: Image Books, 1964.

———. The Interior Castle. Translated by Mirabai Starr. New York: Riverhead Books, 2003.

Second Vatican Council. Dei Verbum: Dogmatic Constitution on Divine Revelation. Vatican City: Libreria Editrice Vaticana, 1965.

McGilchrist’s Works

McGilchrist, Iain. The Master and His Emissary: The Divided Brain and the Making of the Western World. New Haven: Yale University Press, 2009.

———. The Matter with Things: Our Brains, Our Delusions, and the Unmaking of the World. 2 vols. London: Perspectiva Press, 2021.

Neuroscience and Cognitive Science

Buckner, Randy L., Jessica R. Andrews-Hanna, and Daniel L. Schacter. “The Brain’s Default Network: Anatomy, Function, and Relevance to Disease.” Annals of the New York Academy of Sciences 1124 (2008): 1–38.

Clark, Andy. Surfing Uncertainty: Prediction, Action, and the Embodied Mind. Oxford: Oxford University Press, 2016.

Friston, Karl. “The Free-Energy Principle: A Unified Brain Theory?” Nature Reviews Neuroscience 11 (2010): 127–138.

Gazzaniga, Michael S. Who’s in Charge? Free Will and the Science of the Brain. New York: Ecco Press, 2011.

Raichle, Marcus E. “The Brain’s Dark Energy.” Science 314, no. 5803 (2006): 1249–1250.

Tomasino, Barbara, Andrea Fabbro, and Franco Fabbro. “Increases in the Right Dorsolateral Prefrontal Cortex and Decreases in the Whole Brain Connectivity During Focused Attention Meditation.” Brain and Cognition112 (2017): 22–31.

Phenomenology and Hermeneutics

Gadamer, Hans-Georg. Truth and Method. Translated by J. Weinsheimer and D.G. Marshall. 2nd rev. ed. London: Continuum, 2004.

Husserl, Edmund. Logical Investigations. Translated by J.N. Findlay. 2 vols. London: Routledge, 2001.

Ricoeur, Paul. Interpretation Theory: Discourse and the Surplus of Meaning. Fort Worth: Texas Christian University Press, 1976.

Spiritual Theology and Biblical Spirituality

Casey, Michael. Sacred Reading: The Ancient Art of Lectio Divina. Liguori, MO: Liguori Publications, 1996.

Dysinger, Luke. “Accepting the Embrace of God: The Ancient Art of Lectio Divina.” Valyermo Benedictine 1 (1990): 1–20.

Guigo II. The Ladder of Monks and Twelve Meditations. Translated by Edmund Colledge and James Walsh. Kalamazoo: Cistercian Publications, 1981.

John of the Cross. The Ascent of Mount Carmel. In The Collected Works of St. John of the Cross. Translated by K. Kavanaugh and O. Rodriguez. Washington, DC: ICS Publications, 1991.

Magrassi, Mariano. Praying the Bible: An Introduction to Lectio Divina. Collegeville: Liturgical Press, 1998.

Ratzinger, Joseph (Benedict XVI). Verbum Domini: Post-Synodal Apostolic Exhortation. Vatican City: Libreria Editrice Vaticana, 2010.