Cognitive psychology encompasses the study of mental functions such as memory, perception, and sleep. Memory involves the hippocampus, a key part of the brain's limbic system. It is categorized into short-term, long-term, and sensory memory.
An interesting book about sleep is "Why We Sleep" by Mathew Walker. In the book he outlines the importance of sleep, its many health benefits, what if enough sleep isn't attained and its importance to our social lives.
Sleep is something that all humans need. Randy Gardner holds the record for the longest time stayed awake with 264 hours.
Sleep is condition of the body and mind such as that which typically recurs for several hours every night, in which the nervous system is relatively inactive, the eyes closed, the postural muscles relaxed, and consciousness practically suspended.
Perception
Perception is completely unique from person to person, not every person will perceive everything the same
The Absolute Threshold is the smallest amount of stimulus that we can perceive about 50% of the time.
Without sensation there can be no perception. Perception is simply the reaction to a stimulus
Memory
A popular book on memory is "Memory Book" by Harry Lorayne and Jerry Lucas
The hippocampus the the part of the brain associated with memory, it's a part of the limbic system.
There are 3 types of memory; short term memory, long term memory, and sensory memory.
The definition of memory is: The faculty by which the mind stores and remembers information.
