Answer:
REM Stage of Sleep
Explanation:
Stage 3 Sleep [ REM Stage ] is the deepest stage of sleep. It is most revitalising & refreshening up sleep. It is crucial to re energise brain.
In this stage : Respiration , heart rate increases, brain activity is high & vivid dreams may occur, body becomes immobile & it is difficult to wake someone up. There are slow delta waves & rapid eye movement.
It is a very short duration (3 - 8% ) of total sleep and its concentration keeps on decreasing with age.
Kevin has clearly demonstrated a difficulty known as memory <u>retrieval.</u>
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<h3>
What is called memory retrieval in cognitive psychology?</h3>
Memory retrieval is the practice of recalling knowledge that has been stored in long-term memory.
Memory retrieval may be classified into two types:
Information is retrieved from memories with the use of the recall method. However, in recognition, the expression of familiar external stimuli gives a cue that the information has been seen before.
Thus, the inability of Kevin to recall, accurately process, and store chemical formulas in his textbook clearly demonstrated a difficulty known as memory <u>retrieval.</u>
Learn more about memory retrieval here:
brainly.com/question/26544650
Floating population<span> is a terminology used to describe a group of people who reside in a given </span>population<span> for a certain amount of time and for various reasons, but are not generally considered part of the official census count.</span>
Sorry but we need the pages
I think is B
I hope this helps!:)