Infection impairs learning, memory, and problem-solving across animal species. Is brain fog a disorder that only affects humans? That question is addressed in a recent paper that was published in Trends in Ecology & Evolution. In a review of the studies, it is investigated if infections impact
Infection impairs learning, memory, and problem-solving across animal species.
She gathered and analyzed existing studies with her co-authors Kendra B. Sewall, Dana M. Hawley, and Anne S. Leonard in response to the fact that so many people have contracted COVID and experienced brain fog. She also wanted to accomplish her goal of bringing all current studies together for comparison.
Cognitive impairment linked to disease has the potential to affect entire ecological communities. For example, bees infected with some pathogens have difficulty learning the smells and colors of the most productive flowers. “This is really a bad outcome, if you are a bee, because foraging success depends on the ability to efficiently find the most productive flowers,” Townsend added.
“We’re also living in a period of accelerating disease emergence, which is likely to have lots of contributing factors. For example, climate change is altering the range of many insects that carry diseases. In North America, the ranges of mosquitoes, ticks, and other vectors are extending northward. This is a problem because these ranges are extending into populations of naive hosts that have never experienced the diseases that they carry before.
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