How does aging affect the prefrontal cortex?

We used fMRI to investigate how the information content of a stimulus influences activity in brain systems that support decision making. Vascular dementia can also follow several mini-strokes over time. Each mini-stroke creates a small patch of dead brain tissue, called an infarct, in the cortex. It can be overwhelmed and log things in the wrong place with incorrect information which is why a memory of a traumatic time can feel as though it is happening ... Jun 10, 2022 ... When a person is experiencing a traumatic event or experiencing extreme fear, their "Fear Circuitry" may kick in and the prefrontal cortex ... For example, does exuberant axonal growth and pruning in the prefrontal cortex (PFC) ... Applications that do not provide this information will be returned ... ... prefrontal cortex increases during encoding of unexpected information: A case study. ... are enhanced during processing of contextually unexpected information. Nov 7, 2024 ... Over the course of evolution, the human brain has developed ways to “vote” on which bits of information are most relevant when making decisions. Chronic pain drives adaptations in prefrontal cortical circuits and is hypothesized to increase bias towards aversive experiences. ... Moreover, we will ... ventral frontal cortex, is heavily implicated on breaking attention to a currently attended location so that reori- enting can take place.72 It is presumed ... Interactions between the hippocampus and prefrontal cortex (PFC) play an essential role in both human spatial navigation and episodic memory, ...