Answer
The answer is Convolutions
Step-by-step explanation
Convolutions are located in the cerebral cortex area of the brain. This area has a wrinkled surface , hence named as Convoluted part or convolution. Convolutions contain ridges and grooves. Deep portions or grooves are called sulci Whereas raised portions or ridges are called gyri. Basically gyri are the specific area of the brain where memories are stored.