The case of "anna," a young girl who spent the first five or so years of her life left alone in a dark attic, illustrates the role of socialization in human development. based on this and other cases, identify what conclusions the researchers who cared for anna reached.

The researchers conclude that anna fails to develop the skills for making proper  Response to light and dark, speech, high-level reasoning.
Since her brain is conditioned to minimum nutrient and activity, securing her in the attic without any communication and activities conditioned her brain to only able to develop to do small low-level tasks such as breathing, chewing, seeing, etc.