Answer:
J. Henry Alston was the first African-American Psychologist to publish a research article in a specialized journal belonging to the American Psychology Association, in 1920. His research consisted of studying cold and hor sensation on the skin, which results revealed that two different kinds of nerve terminals were responsible for the two different sensations.
Step-by-step explanation:
To understand the context at the time in regards to his research, we should mention that racial segregation was crucial to 'differentiate' such studies, on the one hand, between mainstream Psychology and 'minority' studies which wanted to find a place in it, and on the other, to rethink the concerns about (differentiating, at that moment) the capabilities of African-Americans related to education - conception which also was supported by other factors, such as war, economic progress and competition, the new arrival of another diverse immigrant populations, etc.