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ScienceDaily: Mind & Brain News |
| Neural pathway key to sensation of pleasant touch identified Posted: 28 Apr 2022 11:28 AM PDT Researchers have identified a specific neuropeptide and a neural circuit that transmit pleasant touch from the skin to the brain. The findings eventually may help scientists better understand and treat disorders characterized by touch avoidance and impaired social development. |
| Atherosclerosis: How diseased blood vessels communicate with the brain Posted: 28 Apr 2022 11:28 AM PDT Scientists have been able to demonstrate that nerve signals are exchanged between arteries and the brain in atherosclerosis. |
| Seven hours of sleep is optimal in middle and old age, say researchers Posted: 28 Apr 2022 09:54 AM PDT Seven hours is the ideal amount of sleep for people in their middle age and upwards, with too little or too much little sleep associated with poorer cognitive performance and mental health, say researchers. |
| Selection bias may lead to underestimation of risk of CTE in former football players Posted: 28 Apr 2022 07:39 AM PDT Researchers have been studying chronic traumatic encephalopathy (CTE) and while much has been learned, diagnosing the disease still needs to be done post-mortem on autopsied brains donated to a brain bank. One criticism of the research is that brain bank study results have a selection bias because they are based on a subset of players most affected by CTE, and therefore not representative of the population of football players. Now a novel study by researchers from BUSM and Boston University School of Public Health (BUSPH) provides further evidence suggesting a dose-response relationship between football and CTE even after adjusting for selection bias. |
| From blurry to bright: AI tech helps researchers peer into the brains of mice Posted: 28 Apr 2022 07:39 AM PDT Biomedical engineers have developed an artificial intelligence (AI) training strategy to capture images of mouse brain cells in action. The researchers say the AI system, in concert with specialized ultra-small microscopes, make it possible to find precisely where and when cells are activated during movement, learning and memory. |
| Unravelling the origins of the human spine Posted: 28 Apr 2022 05:58 AM PDT Scientists have recapitulated in the laboratory how the cellular structures that give rise to our spinal column form sequentially. They have created a 3D in vitro model that mimics how the precursor structures that give rise to the spinal column form during human embryonic development. |
| Gene mutations that contribute to head and neck cancer also provide 'precision' treatment targets Posted: 28 Apr 2022 05:58 AM PDT About one-fifth of often deadly head and neck cancers harbor genetic mutations in a pathway that is key to normal cell growth, and scientists report those mutations, which enable abnormal cancer cell growth, can also make the cancer vulnerable. |
| Loneliness leads to higher risk of future unemployment Posted: 27 Apr 2022 06:12 PM PDT A new study found that people who reported 'feeling lonely often' were significantly more likely to encounter unemployment later. The analysis also confirmed previous findings that the reverse is true -- people who were unemployed were more likely to experience loneliness later. |
| Living in areas with more greenery may boost cognitive function, study finds Posted: 27 Apr 2022 08:57 AM PDT New evidence links residential exposure to greenspace, such as green vegetation, as a potential population-level approach to improve processing speed and attention, and overall cognitive function. |
| Machine learning model can steer traumatic brain injury patients to life-saving care Posted: 26 Apr 2022 07:11 AM PDT A new machine-learning algorithm can analyze brain scans and relevant clinical data to predict survival and recovery after severe traumatic brain injury. |
| Spinal oxygen sensors (SOS) are critical sensors for when the body has low to no oxygen Posted: 22 Apr 2022 01:15 PM PDT Researchers have identified a new oxygen sensing mechanism in a small population of spinal cord neurons capable of protecting the brain and other vital organs from low oxygen (hypoxia). The team discovered spinal oxygen sensors (SOS) trigger a rescue response to activate the sympathetic and respiratory nervous system. Due to the unique way in which the SOS work, they are geared to be important for wide-ranging physiological regulation in health, chronic disease, spinal cord injury and cardiorespiratory crisis. |
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