Why is it that this sound is aversive enough to elicit a physical response ?

为什么这种声音会令人厌恶到产生身体反应？

Mixing the aversive with the appetitive sends conflicting information to the brain , and confusion is what the senses are trying to avoid as they supply you with useful , lifesaving information .

把令人嫌恶的和诱人的东西混起来会给大脑发送冲突的信息，困惑的是你的感觉正在试图避免什么，因为它为你提供有用的救命的信息。

Among the five tastes , salty , sweet and umami ( meaty or savory ) are appetitive , driving us toward essential nutrients , whereas bitter and sour are aversive , alerting us to potentially harmful substances .

在五种味觉中，咸、甜和鲜（肉味、可口）是引起食欲的，驱使我们摄取必需的营养，然而苦和酸是令人嫌恶的，提醒我们可能有潜在的有害物质。

This is where understanding how the brain creates the sensation of food with multiple senses contributing means that a therapist could begin to assess which sensory system is affecting how a child feels about an aversive food .

这便是对大脑如何凭借多种感觉感知食物的理解，也就意味着治疗师可以开始评价哪一种感官机制如何产生影响，从而让小孩对某种食物感觉不好。