Window of Tolerance Laminated Card

A new, convenient way to share this vital concept of arousal states.

First coined in Daniel J. Siegel’s The Developing Mind, the window of tolerance refers to each individual’s “window” of emotional activation, inside which they are comfortable and can function optimally. Everyone’s window is unique, and every window has the potential to change—to narrow or widen. Widening one’s window of tolerance for certain emotions can increase the capacity to live more fully and freely within that windo...