In the beginning, you may not have any signs or they may be mild. But as it gets worse, you may have these symptoms: 1  Fatigue (very common). 2  Weakness (very common). 3  Dizziness. 4  Headache. 5  Numbness or coldness in your hands and feet. 6  Low body temperature. 7  Pale skin.
The definition of an aversion is a dislike or distaste for something or someone, or a desire to avoid something or someone. An example of an aversion is when you dislike hot dogs and refuse to eat them as a result. Obs. the act of turning away.
stimulus. adequate stimulus a stimulus of the specific form of energy to which a given receptor is sensitive. aversive stimulus one which, when applied following the occurrence of a response, decreases the strength of that response on later occurrences.l. stimuli [L.] any agent, act, or influence that produces functional or trophic reaction in a receptor or an irritable tissue. conditioned stimulus. a neutral object or event that is psychologically related to a naturally stimulating object or event and which causes a conditioned response.