2 sentences

1. 大脑皮质在处理复杂信息时起着关键作用。

   dà​nǎo pí​zhì zài chǔ​lǐ fù​zá xìn​xī shí qǐ zhe guān​jiàn zuò​yòng.

   The cerebral cortex plays a key role in processing complex information.

   Source: Dong Chinese Dictionary

2. 大脑皮质在人类的认知和记忆中起着关键作用。

   dà​nǎo pí​zhì zài rén​lèi de rèn​zhī hé jì​yì zhōng qǐ zhe guān​jiàn zuò​yòng.

   The cerebral cortex plays a key role in human cognition and memory.

   Source: Dong Chinese Dictionary