Think of the amygdala as the engine and the cortex as the brake. 可以说,类扁桃体就象发动机;而大脑皮层则象刹车。
Nerves that begin at the eyes and ears lead to a part of the brain called the amygdala. 那么,在受到惊吓时大脑会发生怎样的变化呢?
Objective: To explore the effect of amygdala lesion on the monoamine transmitters in normal rat brain. 目的:探讨立体定向毁损正常大鼠杏仁核对相关脑区单胺递质含量的影响。
amygdala amygdalae
[ noun ] an almond-shaped neural structure in the anterior part of the temporal lobe of the cerebrum; intimately connected with the hypothalamus and the hippocampus and the cingulate gyrus; as part of the limbic system it plays an important role in motivation and emotional behavior <noun.body>
Amygdala \A*myg"da*la\ ([.a]*m[i^]g"d[.a]*l[.a]), n.; pl. {-l[ae]} (-l[=e]). [L., an almond, fr. Gr. 'amygda`lh. See {Almond}.] 1. An almond. [Webster 1913 Suppl.]
2. (Anat.) (a) One of the tonsils of the pharynx. (b) One of the rounded prominences of the lower surface of the lateral hemispheres of the cerebellum, each side of the vallecula. [Webster 1913 Suppl.]