Reading Together Is Already Growing: The Importance of Shared Reading in the 0–3 Age Range for Children's Emotional, Cognitive, and Relational Development

Article written in collaboration with  @semidilettura

Abstract

Shared reading during the first three years of life is one of the most powerful and accessible practices available to parents and caregivers for supporting children's overall development. Neuropsychological and developmental research has consistently documented that reading aloud — particularly dialogic and contingent reading — produces significant effects on cognitive, linguistic, emotional, and relational development. This article reviews the principal available scientific evidence, with specific attention to the 0–3 developmental window, and offers practical implications for professionals and families.

Keywords: shared reading, infant development 0–3, early language, attachment, neuroplasticity

1. Introduction

The first thousand days of life — from birth to the third birthday — constitute a developmental window of exceptional neural plasticity. During this period, the child's brain forms approximately one million new synaptic connections per second, making early experience a decisive factor for long-term developmental trajectories (Center on the Developing Child, 2007). Among the experiences most studied for their impact on this critical phase is shared reading, understood as the act of reading aloud in the presence of a caregiving adult.

The international literature — beginning with the seminal meta-analysis by Bus et al. (1995) and the studies that followed — has progressively clarified that shared reading is not merely a cultural or recreational activity, but a genuine cognitive and emotional nutrient. It acts simultaneously on multiple developmental domains: it expands the lexical repertoire, stimulates the capacity for mentalization, reinforces the attachment bond, and activates brain circuits associated with language and emotional processing (Hutton et al., 2015).

This article aims to review the available evidence, organized by developmental area, and to offer operational guidance for clinical and psychoeducational practice.

2. Cognitive and Linguistic Development

2.1 Language Acquisition and Lexical Breadth

Early exposure to written language — with its more elaborate syntactic structure compared to spontaneous speech — constitutes a natural scaffolding for language acquisition. Bus et al. (1995), in their influential meta-analysis of 29 studies, demonstrated that the frequency of shared reading is significantly associated with early language acquisitions, including vocabulary breadth, text comprehension, and subsequent literacy competence. The effect remained stable regardless of families' socioeconomic level.

Subsequent research has clarified that reading alone is not sufficient: it is the quality of the verbal interaction that determines the magnitude of the benefits. The dialogic reading technique (Whitehurst et al., 1988), in which the adult actively stimulates the child with open questions and confirms and expands their verbalizations, produces significantly greater vocabulary gains than passive reading. This approach transforms reading into a dialogue, making the child a co-constructor of narrative meaning.

2.2 Symbolic Thinking and Memory

Story reading fosters the development of symbolic thinking, that is, the capacity to mentally represent objects and events not present in immediate reality (Bruner, 1983). Through narrative, the child learns that words and images stand for something else, laying the groundwork for subsequent acquisition of independent reading and abstract thinking. At the same time, the repeated narration of the same stories — a spontaneous and beloved practice among children in this age range — exercises episodic memory and the capacity for sequential anticipation.

3. Emotional Development

3.1 Emotion Recognition and Regulation

Children's stories are rich in complex emotional experiences, presented in comprehensible and safe narrative contexts. Shared reading offers the child a natural laboratory for emotional learning: the emotions of characters are named, discussed, and contextualized by the adult, providing a progressively more articulated affective vocabulary. This emotion coaching process (Gottman et al., 1996) is considered a significant predictor of emotional competence in school age.

On the neurobiological level, Hutton et al. (2015) documented, through functional neuroimaging in children aged 3–5 years, that exposure to narrated stories activates brain networks associated with semantic integration, understanding of others' intentions, and emotional processing. Children with greater exposure to shared reading showed greater activation in parietal and frontal regions associated with mental imagery and empathy.

3.2 Mentalization and Theory of Mind

Fictional narrative, by its very nature, requires inferring mental states, intentions, and perspectives of characters distinct from oneself. This continuous exercise contributes to the development of theory of mind — the capacity to attribute mental states to oneself and others — which typically emerges around 3–4 years of age but whose foundations are laid much earlier (Bruner, 1983). Children exposed to a greater variety of narratives show, in longitudinal studies, higher scores on false-belief tasks and measures of empathy.

4. Relational Development and Attachment

Shared reading is an eminently dyadic experience. The young child does not read: they listen, look, touch, point, vocalize, and it is in this continuous exchange with the adult that meaning is constructed. The quality of this interaction is closely intertwined with the quality of the attachment bond.

Bus and van IJzendoorn (1997) documented that securely attached dyads show longer reading sessions, greater emotional attunement, and more balanced engagement compared to dyads with insecure attachment patterns. At the same time, regular reading can serve as a privileged context for consolidating sensitive and contingent interactions, offering structure, predictability, and affective sharing — fundamental ingredients for secure attachment.

The Nati per Leggere (Born to Read) program, active in Italy since 1999 and supported by public health evidence (Ministero della Salute / Società Italiana di Pediatria, 2019), is founded precisely on this dual value: promoting early reading as both a developmental tool and a relational care practice, with the pediatrician in the role of promoting the habit from birth.

5. The Neuroscientific Basis: The First Thousand Days

Neuroimaging studies have made visible what evolutionary theory had already hypothesized: the young child's brain is plastic, responsive to experience, and profoundly influenced by the quality of early interactions. The Center on the Developing Child at Harvard (2007) synthesized decades of research, highlighting how the sensory, linguistic, and relational experiences of the early years leave structural traces in the brain, modulating neural architecture for life.

Shared reading, in this context, represents a multisensory and multidimensional experience: voice, prosody, physical contact, images, rhythm, emotion, and relationship integrate in a single event that simultaneously activates multiple brain systems. It is this richness of contextualized and relational stimulation that explains its developmental power compared to isolated or passive stimulations.

6. Implications for Clinical and Psychoeducational Practice

For psychologists, educators, child neuropsychiatrists, and pediatricians, the available evidence suggests several operational directions:

• Promote shared reading as a preventive practice in family counseling services and pediatric offices, regardless of parents' educational level.

• Train parents in dialogic reading, emphasizing the importance of pauses, open questions, and emotional attunement with the child's responses.

• Consider the quality of shared reading as a clinical observation indicator in assessments of parent–child interaction.

• In at-risk situations (postpartum depression, neglect, educational poverty), propose shared reading as a low-cost, highly accessible early intervention tool.

7. Conclusions

Reading to a child during their first three years of life is an act of profound care. It requires no special skills or costly materials: it requires presence, voice, attention, and the willingness to share a small world of words and images. Research has now made clear that this simple gesture has measurable and lasting effects on cognition, language, emotion, and relationship.

In an era of increasing impoverishment of early narrative experience — often replaced by screens and passive stimulation — restoring centrality to shared reading is not nostalgia: it is a clinically grounded and ethically oriented choice toward the well-being of the child and their family.

As Bruner (1983) wrote, narrative language is not merely a means of communicating reality: it is one of the fundamental tools through which the human mind gives shape to experience. Starting early means building, together, a child who has the tools to understand the world — and themselves.

References

Bruner, J. S. (1983). Child's talk: Learning to use language. Norton.

Bus, A. G., & van IJzendoorn, M. H. (1997). Affective dimension of mother–infant picturebook reading. Journal of School Psychology, 35(1), 47–60. https://doi.org/10.1016/S0022-4405(96)00030-1

Bus, A. G., van IJzendoorn, M. H., & Pellegrini, A. D. (1995). Joint book reading makes for success in learning to read: A meta-analysis on intergenerational transmission of literacy. Review of Educational Research, 65(1), 1–21. https://doi.org/10.3102/00346543065001001

Center on the Developing Child, Harvard University. (2007). The science of early childhood development: Closing the gap between what we know and what we do. https://developingchild.harvard.edu

Gottman, J. M., Katz, L. F., & Hooven, C. (1996). Parental meta-emotion philosophy and the emotional life of families: Theoretical models and preliminary data. Journal of Family Psychology, 10(3), 243–268. https://doi.org/10.1037/0893-3200.10.3.243

Hutton, J. S., Horowitz-Kraus, T., Mendelsohn, A. L., DeWitt, T., & Holland, S. K. (2015). Home reading environment and brain activation in preschool children listening to stories. Pediatrics, 136(3), 466–478. https://doi.org/10.1542/peds.2015-0359

Ministero della Salute & Società Italiana di Pediatria. (2019). Nati per leggere: Linee guida per la promozione della lettura ad alta voce in età pediatrica. https://www.natiperleggere.it

Whitehurst, G. J., Falco, F. L., Lonigan, C. J., Fischel, J. E., DeBaryshe, B. D., Valdez-Menchaca, M. C., & Caulfield, M. (1988). Accelerating language development through picture book reading. Developmental Psychology, 24(4), 552–559. https://doi.org/10.1037/0012-1649.24.4.552