Why is stress considered a cognitive issue?

Why is stress considered a cognitive issue? Chronic stress can generate high levels of cortisol in the prefrontal cortex, which can lead to an impairment of cognitive functions. How does stress impact our cognitive ability and psychological well being? Psychological stress can affect cognitive function in the short-term (e.g., as when an individual’s thoughts are […]

What can we learn from Sojourner Truth?

What can we learn from Sojourner Truth? Sojourner Truth was an African American evangelist, abolitionist, women’s rights activist and author who was born into slavery before escaping to freedom in 1826. After gaining her freedom, Truth preached about abolitionism and equal rights for all. What impact did Sojourner Truth have? A former slave, Sojourner Truth […]

What causes color constancy?

What causes color constancy? The phenomenon of color constancy occurs when the source of illumination is not directly known. This is due to an ignorance of all possible sources of illumination. Although an object may reflect multiple sources of light into the eye, color constancy causes objective identities to remain constant. What is the importance […]

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