Time series produced by dynamical systems as frequently the case in neuroscience  are rarely stationary  but often exhibit quite abrupt changes due to bifurcations or other dynamical phenomena .
<meaning-changed> Time series produced by dynamical systems as frequently the case in neuroscience  are rarely stationary  but often exhibit quite abrupt changes due to bifurcations or other dynamical phenomena .
Time series produced by dynamical systems as frequently the case in neuroscience are rarely stationary but often exhibit quite abrupt changes due to attractor transitions or bifurcations in the dynamical systems producing them .