Why Some People Remember Dreams and Others Don’t

Summary: A new study explores why some people vividly recall dreams while others forget them. Researchers found that dream recall is influenced by personality traits, sleep patterns, and even seasonal…

Mitochondria’s Role in Social Memory May Offer Clues to Brain Disorder

Summary: Researchers have identified a unique mitochondrial process in CA2 neurons that supports learning, memory, and social recognition. Mitochondria in different parts of these neurons vary in structure and function,…

Cannabis Use Reduces Brain Activity in Key Memory Regions

Summary: A study of over 1,000 young adults reveals that both recent and heavy lifetime cannabis use reduce brain activity in regions critical for working memory, including the prefrontal cortex…

False Memories Are Harder to Create Than Once Thought

Summary: A new analysis challenges long-standing claims about the ease of implanting false memories, often cited in court cases to discredit witnesses. Researchers re-evaluated data from a 2023 replication of…

Poor Sleep Linked to Difficulty Controlling Unwanted Thoughts

Summary: Sleep deprivation impairs brain regions responsible for suppressing unwanted thoughts, contributing to mental health challenges. Functional neuroimaging revealed reduced activation in the prefrontal cortex and increased hippocampal activity in…

Classical vs. Operant Conditioning: The Brain’s Memory Tug-of-War

Summary: Classical and operant conditioning compete in the brain, preventing simultaneous learning of conflicting actions. Using fruit flies, researchers demonstrated that attempting to teach both types of learning simultaneously results…

Distinctive Neural Wiring Enhances Memory Storage

Summary: A new study has revealed distinct features of the human hippocampus, a brain region critical for memory storage and retrieval, challenging the assumption that it functions like a scaled-up…

Music Can Change the Emotional Tone of Your Memories

Summary: New research reveals that music can do more than trigger memories—it can alter their emotional tone. When participants recalled neutral stories while listening to emotionally charged music, they later…

How Memories Shape Decisions and Future Well-Being

Summary: A new framework integrates psychology and economics to show how memorable experiences influence long-term decision-making. Their model separates the immediate utility of consumption from the lasting “remembered utility” derived…

How Stressful Events Alter Memories

Summary: Researchers have discovered how stress disrupts memory specificity, leading to generalized aversive memories—a hallmark of PTSD. Stress increases endocannabinoid release, enlarging memory engrams in the brain, which triggers fearful…