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ScienceDaily: Mind & Brain News |
| Posted: 02 Sep 2021 09:50 AM PDT Many electronic devices today are dependent on semiconductor logic circuits based on switches hard-wired to perform predefined logic functions. Physicists have developed a novel molecular memristor, or an electronic memory device, that has exceptional memory reconfigurability. |
| Does our mind’s eye match real life? New study shows differences in how we perceive images Posted: 02 Sep 2021 09:50 AM PDT A new study investigated how we visualize things that we have already seen, discovering that many adults are resistant to imagining their own vision as if it were a flat image -- seeing it in its fully processed, knowledge-laden form instead. |
| Deadlines may be effective in building support for climate change action Posted: 02 Sep 2021 09:49 AM PDT Human-caused climate change -- including increased extreme weather and climate events -- is here, according to the UN IPCC 2021 report, but the best way to communicate the concern is still debated. Deadline messaging has been criticized as causing people to feel hopelessness, despair and disengagement. However, a new study finds that this deadline messaging may be effective after all. |
| Many of the fastest-evolving human genes linked to evolutionary changes in brain development Posted: 02 Sep 2021 09:49 AM PDT More than 3,000 regions in the human genome are very different in people from in any other mammals, including our closest primate relatives. Now, a study has evidence to confirm that nearly half of these so-called human accelerated regions (HARs) have played an important role in rewriting the course of human brain development, offering important insight into the genetic basis of human evolution. |
| New molecular device has unprecedented reconfigurability reminiscent of brain plasticity Posted: 01 Sep 2021 04:14 PM PDT Researchers describe a novel molecular device with exceptional computing prowess. Reminiscent of the plasticity of connections in the human brain, the device can be reconfigured on the fly for different computational tasks by simply changing applied voltages. Furthermore, like nerve cells can store memories, the same device can also retain information for future retrieval and processing. |
| Beyond dopamine: New reward circuitry discovered Posted: 01 Sep 2021 01:11 PM PDT The key to overcoming addictions and psychiatric disorders lives deep inside the netherworld of our brains and the circuitry that causes us to feel good. Just like space, this region of the brain needs more exploration. Researchers have now pushed the science forward on our reward pathways and found there is another pathway beyond dopamine. |
| Having MS plus depression may be tied to increased risk of early death Posted: 01 Sep 2021 01:10 PM PDT Depression is common in people with multiple sclerosis (MS), and a new study shows that people with both conditions may be more likely to die over the next decade than people with just one or neither condition. The study also found that people with MS and depression have an increased risk of developing vascular disease such as heart attack and stroke. |
| Immunotherapy for HPV+ head and neck cancer: Awakening the force within Posted: 01 Sep 2021 08:37 AM PDT The immune cells that are the major targets of immune checkpoint inhibitors (stem-like PD-1+ CD8 T cells) are present in HPV+ tumors from head and neck cancer patients, according to a new study. The results have implications for how immunotherapy could be used to treat this type of head and neck cancer. |
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