雅思阅读

📖 Reading Passage

The concept of 'neural reuse' challenges the traditional view that brain regions are specialized for single functions. According to this theory, neural circuits established for one purpose may be exapted for other uses, without losing their original functions. This plasticity is particularly evident in the prefrontal cortex, which is involved in diverse tasks ranging from memory to social cognition. Researchers argue that neural reuse provides a more parsimonious explanation for the brain's efficiency, as it allows for the recycling of existing structures rather than the development of new ones. However, critics note that the theory remains difficult to test empirically due to the complexity of isolating specific circuit functions.