Aside from disproving the evolutionary belief that the bigger the brain, the smarter the critter, some people can have almost no brain and be exceptional thinkers.

​In children with hydrocephalus, cerebrospinal fluid in the ventricles of the brain can build up and squeeze the cortex (the outer "smart" layer of the brain) to the point that there is very little cortex at all.
 
Although hydrocephalus can result in various problems, mental development may be normal. In one case, a 26-year-old student with hydrocephalus had an IQ of 126 and received honors in mathematics. He had virtually no brain other than a thin layer less than a millimeter thick.
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Boy born with 2% brain

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​See boy born with no brain on YouTube.
 
Brain Attrition—Each day a human loses about a thousand brain neurons. Some 80% of the neural mass is dissolved by age 14. Despite this considerable disruption and loss, consciousness maintains its integrity. Not only that, great intellect can be developed in the adult years as the brain mass continues to shrink.
 
Body Turnover—If we are mere matter, that would mean we come from our food and leave via the toilet. Some parts of the body turnover in a few days, while the skeleton takes a decade to refresh itself. The consistency of a person's sense of unique identity, through several atomic changeovers of the body during a lifetime, points to something outside of matter that's the source of that constancy.
 
Brain Excision—Patients who have a part of their brain removed due to tumors maintain self-awareness.
 
Head Injury—Victims of accidents with large portions of their brains damaged often still perform functions believed to be controlled by the damaged or missing parts.
 
Blind Sight—People who have had a part of their visual cortex surgically removed or damaged, lose sight in a portion of a visual field. One patient was tested with things placed in the blind field and asked to guess what they were. Accuracy was near 100%. The mind can see when there is no visual portion of the brain to permit vision.

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​Inferred Sight—Some individuals who are blind insist that they can see quite well, apparently visually conscious of the inferred surroundings. You can test your own ability to see by inference. In this drawing note that you will see a white triangle even though most of the borders are not drawn.

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​Phantom Limbs—People who have had limbs removed, are born without them, or have a section of the body anesthetized, can experience the motor and sensory sensations of the part missing or anesthetically blocked. Research has shown that these sensations don't originate in the brain or severed nerve endings at the point of amputation.
 
Documented out-of-body and near-death experiences are, in effect, whole-body phantoms.
 
As will be shown in the next installment on this subject, even animals have an essence that is different from and beyond the chemicals that make up their brains.
 
Those committed to materialistic and evolutionary beliefs must dismiss all such evidence. Their doctrine is that we are nothing more than the mass of a chance agglomeration of atoms.
 
This doctrine should be dismissed out of hand. Never has a thought, memory, or desire been weighed or experimentally produced by a chemical reaction.