September 17, 2019

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Journey Through the Parts
of the Brain, Discover How it Works,
and Improve Your Brain's Health.

by Rudolf C. Hatfield.
AdamsMedia/F+W Media,
2013 (303 pages)



"Dividing the brain into four lobes allows brain scientists to specify sections of the brain that are associated with a set of general functional capabilities." (33)

However, "since there are left and right hemispheres, there are actually a total of eight lobes (four on the left side of the brain and four on the right side of the brain)." (33)

"While each lobe is tied to a set of specific functions, the brain is, in fact, a singular organ that performs many different functions in unison. The brain cannot do anything without all of its parts: brain lobes do not function independently." (34)

"Neuroimaging studies demonstrate that during any given action multiple brain areas are activated simultaneously." (34)

"The frontal lobe extends from the front portion of your brain to the central sulcus. The frontal lobe is the most developed portion of the brain in humans and represents relatively recent evolutionary changes in human brain structure (during the past 200 thousand years) compared to the brains of other animals." (34)

"The most forward part of the frontal lobe is known as the prefrontal cortex. It receives information from all sensory systems and is primarily involved in functions such as planning, working memory, making abstractions, and other important functions that identify human thinking." (34)

"At the very back portion of the frontal lobe lies the motor cortex, which is an area of the brain associated with voluntary movement. (35)

"Further down the frontal lobe is an area known as Broca's area, which is associated with expressive language." (35)

"Executive functions consist of complex mental processes that allow you to optimize your performance in situations that require the use of a number of cognitive processes or strategies. They refer to functions that conduct and instruct other areas of the brain to perform, which also include the capability to inhibit certain processes." (159)

"Executive functions are associated with the prefrontal areas of the frontal lobe and are not tied to one particular cognitive domain. In fact, brain damage anywhere can disrupt executive control." (159)

"The executive functions are associated with all thinking and perceiving abilities." (159)

"The prefrontal cortex has vast connections with all the sensory systems, motor systems, and areas of the brain involved in memory and emotions. These connections allow the timing and coordination of many different cognitive processes." (160)

"Since the primary motor cortex neurons are responsible for voluntary body movements, something has to inform them when and how they should fire." (160)

"Setting goals, determining the strategy of a goal-directed plan, and actually executing the plan are functions of the frontal and prefrontal cortex." (160)


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