All articles tagged with #cognitive flexibility
New mouse-model research shows cognitive flexibility—the ability to shift strategies—deteriorates before spatial memory in Alzheimer’s, linked to overactive corticostriatal circuits and reduced cholinergic interneuron activity. Quieting the overactive pathway improved adaptability and lowered amyloid-beta, suggesting early diagnostic and therapeutic targets focus on executive function rather than memory loss.
A Nature Communications study using 5xFAD mice shows cognitive flexibility is impaired before memory deficits, linked to hyperactivity in the medial prefrontal cortex; silencing overactive neurons reduces amyloid-beta accumulation and partially restores flexibility, suggesting a potential route to earlier Alzheimer’s diagnosis.
A Columbia Engineering team built biologically constrained recurrent neural networks and showed that an inhibition-on-inhibition circuit enables top-down control to reshape early visual processing based on task rules; weakening these connections collapses flexible switching, and live mouse cortex recordings validate the model's predictions, suggesting early sensory areas are dynamic workspaces and pointing to energy-efficient AI designs that mimic human cognitive flexibility.
A long-running German study of gifted (IQ 130+) and non-gifted adults shows they largely share the same political views, with one gender-based exception: non-gifted men score higher on conservatism than gifted men, while women show no difference. The results support cognitive-flexibility and centering ideas, suggesting high intelligence does not predict radical politics, though the study’s small sample and Germany-specific context limit generalizability.
A study led by Princeton University found that human brains, modeled through rhesus macaques, use flexible neural 'cognitive Lego' blocks in the prefrontal cortex to transfer skills across tasks, giving humans an advantage over AI in adaptability and learning new tasks.
A new study suggests that misophonia, traditionally viewed as a sensory condition, is also linked to cognitive and emotional inflexibility, with significant associations to rumination, indicating it involves deeper issues of emotion regulation and executive function.
A study in the British Journal of Psychology suggests that misophonia reflects broader psychological and cognitive traits, including difficulties with emotional and affective flexibility, increased rumination, and psychological rigidity, indicating it may be a complex disorder beyond just sensitivity to specific sounds.
The article highlights seven surprising signs of healthy aging that go beyond appearance, such as maintaining physical coordination, cognitive flexibility, diverse social connections, willingness to be a beginner, good sleep, auditory processing, and future planning, emphasizing that staying engaged and adaptable is key to aging well.
Researchers at UC San Diego identified the genetic region HAR123, a transcriptional enhancer that influences neural development and may explain human-specific cognitive traits like flexibility, with implications for understanding brain evolution and disorders such as autism.
A study by UT Southwestern found that the human CLOCK gene, known for regulating circadian rhythms, also enhances neural connectivity and cognitive flexibility in mice by promoting more intricate neural networks, suggesting a role in human brain evolution.
Researchers have identified distinct neural patterns in schizophrenia patients that reveal heightened sensitivity to conflicting information, impairing cognitive flexibility. By analyzing brain activity between the cortex and thalamus, these patterns could serve as biomarkers for diagnosing schizophrenia and assessing treatment efficacy. The study highlights the potential of using neural markers to measure executive dysfunction in schizophrenia, offering a new diagnostic tool.
Jamais vu, the sensation where familiar experiences feel eerily new and unsettling, has been investigated by researchers who made participants repeatedly write words. The study found that around 70% of participants experienced jamais vu after approximately 33 repetitions. This research sheds light on cognitive flexibility and may have potential connections to conditions like obsessive-compulsive disorder (OCD).
Researchers have developed an innovative animal model to study cognitive flexibility and neurogenesis. They found that exposure to gamma-radiation hindered cognitive adaptability in mice, while specific newly-generated neurons responded distinctively to the task. Aging and neurogenesis in the hippocampus were found to be closely connected to cognitive flexibility. The study suggests that increasing neurogenesis levels could potentially mitigate the effects of age-related cognitive decline.
Scientific studies suggest that the benefits of a vacation can be felt even before the trip begins. Looking forward to a future reward, such as a vacation, can be more rewarding than the reward itself due to the release of dopamine in the brain. Vacations are essential for reducing chronic stress levels and increasing cognitive flexibility. Chronic stress can negatively impact the dopaminergic system, leading to depressive behaviors. It is important to fully disconnect from work during vacations and engage in activities that bring pleasure and new experiences. The effects of long vacations versus staggered shorter vacations are still unclear, but overall, vacations are beneficial for mental health and well-being.
A new study using resting-state functional magnetic resonance imaging (rs-fMRI) has revealed that serial entrepreneurs have increased neuronal connectivity in their brains compared to managers, indicating superior cognitive flexibility. The research suggests that this enhanced connectivity allows entrepreneurs to effectively alternate between exploration and exploitation, a crucial balance for their success. The findings offer insights for improving entrepreneurial cognition and training within organizations, highlighting the importance of cultivating an entrepreneurial mindset and fostering cognitive flexibility in teams.