In the state of Rapid Eye Movement sleep (REM). REM is the deepest part of sleep in a persons sleep cycle.
        
                    
             
        
        
        
Answer:  The correct answer is : The central limit theorem
Explanation:  This is a fundamental theorem of probability and statistics. When the sample size is large enough, the distribution of the means follows approximately a normal distribution. The theorem can be applied regardless of the form of population distribution.
 
        
             
        
        
        
Explanation:
what i don't understand you're question 
 
        
             
        
        
        
The correct answer is cognitive development
Learning is any change in behavior in response to previous experiences because it involves the subject as a whole, considering all its aspects, being they psychological, biological and social. If any of these aspects are out of balance there will be a learning disability.
According to Piaget (1973), learning occurs only with the disorder and order of what already exists within each subject. It is necessary to get in touch with the difficult, with the discomfort to disrupt the already existing and then structure it again, with research and also intrinsic as well as extrinsic motivations to obtain learning, emphasizing that intrinsic motivation is more important because the subject you have to be interested in learning, the combination of the two (intrinsic and extrinsic) forming important allies for the better learning of the subject.