Learning and Memory

Dyes allow researchers to track cell communication

The Machinery of Memory

How do we learn? How do we recall something that happened many years ago? Over the years, neuroscience researchers have risen to the fundamental challenge posed by these questions.

Introduction

From song lyrics to former addresses, our brains hold a seemingly endless supply of information. How are we able to learn, store, and recall information with such ease? Brain cells undergo chemical and structural changes during learning. By changing the number, or strength, of connections between brain cells, information is written into memory. Ongoing studies are helping scientists identify how different areas of the brain work together to enhance memory formation and storage. This insight could one day guide new treatments for learning disorders and memory loss.

Advances in molecular biology and genetics are offering new clues about key molecules and proteins that influence memory. Recent animal studies suggest that manipulating these molecules could lead to new ways of modifying memories, with the potential of weakening traumatic memories that may underlie post-traumatic stress disorder (PTSD). Similar studies may lead to new treatment options for memory loss.

Discoveries

Is photographic memory real? If so, how does it work?

Source: Society for Neuroscience

People with "photographic memory" are thought to be able to take and recall mental snapshots without error. But there is no evidence this type of memory exists.

Neuroplasticity and Learning

Source: Society for Neuroscience

Learning how the brain acquires and recalls information is more fun when costumes are involved. Watch for the giant sea hare, an animal famous for its role in scientists’ discovery of learning and memory.