Complex sentence: Studies have shown that increased errors in judgement and cognitive function of the brain, along with changes in memory function are a few of the effects of stress and fatigue, both of which are inevitable human factors encountered in the commercial aviation industry.
Split into simpler sentences: Studies have shown that increased errors in judgement and cognitive function of the brain, along with changes in memory function are a few of the effects of stress and fatigue. Both of these are inevitable human factors encountered in the commercial aviation industry.