In the context-signal memory in crabs [25], the presentation of a danger stimulus (an opaque screen passing over the animal) provokes an escape response that is actively replaced in successive events by a freezing response as a consequence of the repetition of the stimulation [26].
The aversive learning paradigm has been used extensively in our laboratory for the last 20 years; it is based on the crab's escape response elicited by the presentation of a visual danger stimulus (VDS), which represents the negative reinforcement [14].
Back in 1986, what moved Dr. Goodall were presentations on dangers to wild chimp populations and the treatment of captive chimps in research.
By stimulating the magnocellular system preferentially, the peripheral presentation of a related-to-danger stimulus would be more efficient than central presentation to activate a subcortical neuronal network able to quickly identify the potential danger coming from the periphery.
The Danger Model predicts that presentation of the antigen in the absence of danger signals would lead to either elimination or anergization of T cells and induce a temporary state of tolerance.
The presentation of night clubs as sexual danger zones linked to violence, and online dating as a high risk and indeed potentially fatal practice, are two examples of the show picking up on both the sexual fears and biases of the time.
For instance, the fusiform gyrus, an area hemodynamically active in our study, shows enhanced responses upon presentation of visual stimuli (faces) depicting danger [36].
The danger in this presentation of gracious benevolence is that it gives the impression that the CPS can put their own house in order.
"I have always felt both the beauty and the danger of the presentation of lesbian sexuality in public," she told The Cut last year.
Christine and I received our first hint of danger when, visiting her mother, Dee, in Florida while still wide-eyed from our presentation.
