When threatened or disturbed, the puffadder shyshark adopts a characteristic posture in which it curls into a ring and covers its eyes with its tail; this reaction is the basis for the common names "shyshark" and "doughnut", and is likely meant to make the shark harder for a predator to swallow.
Freezing is defined as a defensive posture, in which no movement except for respiration is observed.
This may be due to a decrease in sensory information because these exercises were conducted in a sitting position and not in an orthostatic posture in which the balance is most evident.
Together, Danes and Rogoff developed a "panic lock": a hunched, fearful posture, in which Danes's pelvis and rib cage were yoked together so that she moved "like a cow bent heavy under you".
When threatened, it adopts a characteristic defense posture in which it curls into a ring with its tail over its eyes; this behavior likely makes the shark harder to swallow and is the origin of the common names "shyshark" and "doughnut".
France's president, Jacques Chirac, is keen to commit the Union to a robust defence posture in which France would be prominent.Fears of an unseemly bust-up between the two countries which would form the heart of any serious European military force Britain and France were running high as the summit approached.
Moreover, there is a growing list of Democratic observers who are pining for a more aggressive posture in which Obama is not just parlaying the McCain attack de jour, but dictating the campaign theme.
Body stimuli were taken from our own validated dataset, previously used in behavioral [62], EEG [64] and fMRI studies [67], [69] and consisted of gray-scale images of whole bodies (4 males, 4 females) adopting a neutral instrumental posture in which the faces were made invisible (for details see [69]).
They have an aggressive defense posture, in which they raise their front legs straight up into the air.
