Some memories last a lifetime. The awe of seeing a full solar eclipse. The first smile you shared with your partner. The glimpse of a beloved pet who just passed away in their sleep. Other memories, not so much. Few of us remember what we had for lunch a week ago. Why do some memories last, while

At the turn of the 20th century, Dr. Alois Alzheimer noticed peculiar changes in a freshly removed brain. The brain had belonged to a 50-year-old woman who gradually lost her memory and struggled with sleep, increased aggression, and eventually paranoia. Under the microscope, her brain was littered

Neural interfaces could present an entirely new way for humans to connect with technology. Elon Musk says the first human user of his startup Neuralink’s brain implant can now move a mouse cursor using their mind alone. While brain-machine interfaces have been around for decades, they have

Have you ever woken from a dream, emotionally laden with anxiety, fear, or a sense of unpreparedness? Typically, these kinds of dreams are associated with content like losing one’s voice, teeth falling out, or being chased by a threatening being. But one question I’ve always been interested in is

Depression is like waking up to a rainy, dreary morning, every single day. Activities that previously lightened the mood lose their joy. Instead, every social interaction and memory is filtered through a negative lens. This aspect of depression, called negative affective bias, leads to sadness and