Abstract
We have reexamined type-I intermittency, i.e., alternating bursts of regular and chaotic behavior just preceding a tangent bifurcation of the quadratic map family. By studying period-3 intermittency for the Hénon map family numerically, we establish the strong one-dimensional character of intermittency in the phase space. The disappearance of intermittency as the one-dimensional character of the map is lost (i.e., the dissipation is decreased) is reflected in a qualitative change in the behavior of the Lyapunov exponent in the period-1 basin of attraction.

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