Answer:
Heightened cortisol levels may impair working memory. True
Step-by-step explanation:
Psychosocial stress impairs working memory at high loads. It has impact on different aspects of human memory amd it is a strong modulator of memory function. Some stress hormones may influence sensory perception, focus attention, and shift behavioral responding towards well-established habits. Stress can also cause acute and chronic changes in the brain, or even some damage.