Why the consistency of the same felt book both reassures and focuses at the same time

Uncertainty, however minimal, generally mobilizes a significant portion of a toddler's available attentional resources, as the child must constantly assess a new or changing environment before being able to focus fully on a specific activity.

Faced with a completely new object, a baby naturally devotes part of their attention to the initial exploration of its general characteristics—its shape, texture, and how it works—before being able to truly deepen their exploration beyond this preliminary discovery phase.

A familiar felt book, rediscovered day after day, largely eliminates this preliminary phase of uncertain exploration. The baby already knows the general characteristics of their book, thus freeing up all of their attentional resources for a more in-depth and focused exploration of the details that are already familiar.

This cognitive economy, often invisible but very real, partly explains why a baby may appear more focused and engaged with a familiar book than with a new one presented for the first time, despite the apparent appeal of novelty.

The reassuring dimension of this familiar object also plays a complementary role in this increased capacity for concentration. An environment perceived as safe and predictable naturally reduces the baby's general level of vigilance, thereby freeing up more mental resources available for deep concentration on the activity itself.

This combination of reassuring familiarity and cognitive economy explains why many parents observe particularly intense concentration in their baby when faced with a well-known felt book, a phenomenon that might seem counterintuitive given the conventional wisdom that novelty is systematically more captivating.

It is this nuanced understanding of the attentional mechanisms at play that helps to fully appreciate the value of keeping the same felt book over time, rather than systematically multiplying the new objects offered to the baby, a practice that, paradoxically, could limit their capacity for deep concentration.