The pulmonary vasculature is dominant in sympathetic activity by the norepinephrine released from sympathetic nerve endings [ 6, 9, 22].
Due to the fact that pulmonary vasculature is dominant in sympathetic tone, it may be influenced by segmental blocking the activity of the sympathetic system over the vascular pulmonary responses.
Avdotya Romanovna Raskolnikova – Raskolnikov's dominant and sympathetic sister, called Dunya, Dounia or Dunechka for short.
In addition, HR increases in the sympathetic dominant phase and decreases in the parasympathetic dominant phase [ 47].
During a moment of stress, however, the calming parasympathetic nervous system becomes less dominant, and the sympathetic nervous system kicks in, triggering the fight-or-flight response.
As koalas were relatively not active during the day, sympathetic dominant activity suggested they were subjected to stress.
More specifically, the shift toward a "sympathetic dominant ANS balance", caused by either vagal withdrawal or sympathetic hyperactivity, predisposes individuals to chronically higher resting metabolic rates [ 3, 49], and therein an energetically unfavorable state.
In parallel, the autonomic nervous systems of these two individuals evolved from sympathetic-dominant during the day to parasympathetic-dominant in the evening.
While both Nemo and Nugget displayed weak sympathetic-dominant activity during the day, the exposure to tourists corresponded with Nugget's having a higher HR than that of Nemo.
Main Outcome Measures: 10 personality variables were rated on a 7-point scale, ranging from "not at all" to "extremely": these were warm, anxious and concerned, interested, hostile, sympathetic, professional, competent, dominant, satisfied, and genuine.
