Miry, Omid, et al. "Life-long brain compensatory responses to galactic cosmic radiation exposure." Scientific Reports, vol. 11, no. 1, 2021, doi:10.1038/s41598-021-83447-y.
Parihar, Vipan K, et al. "Cosmic radiation exposure and persistent cognitive dysfunction." Scientific Reports (2016).
For any Astronautical missions, animals are used as the study samples to determine the extent to which effects can harm living creatures. It aids in ensuring that the impact can be controlled and minimized before the actual space visit by human beings. This report outlines the cognitive impairments faced by animals exposed to cosmic radiations and profound space travels.
The animals used (mainly rodents) parade insistent hippocampal and cortical-based routine decrement after experiments. For instance, profound space travel poses a danger to the veracity of neural circuits in the brains of animals. Exposure to the radiations causes substantial decreases in dendritic complexity and spine density and alters the spine morphology.
As a result, it leads to a behavioral deficit due to the disruption of the synaptic integrity and increases in the neuroinflammation that persists for not less than six months. All these effects increase the chances of occurrence of the synaptic puncta, which subsequently increases the chances of cognitive impairment (Parihar, Allen, and Caressa).
Instructions
Each of your research journal entries should be at least 270 words. In this installment, we ask you to focus on the following questions:
What do you want to learn about your focal topic for the class?
What questions do you want to answer?
How might you go about pursuing answers to these questions?
How has your understanding of your topic been evolving as you continue your research?