Sound Waves and Acoustics

Can Sounds Trigger Memory?

The sensory cortex is the place in our brain in charge of memory. There are two parts of the sensory cortex: the primary cortex and the secondary cortex. The secondary cortex determines the pitch of a noise and different musical noises. There was an experiment done with rats, where they were trained to associate a noise with an electric shock. When the rats heard the sound after, they froze in fear. Then, the same experiment was done with rats with lesions, which affect your secondary  cortex. When the rats heard the noise then, they did not respond. This proves that sound can trigger memory.