Because the brain is pretty much magic. Scientists don't have any idea how it works and it has nothing to do with size, otherwise tall/big people would be the smartest and short/small people would be the dumbest. The only thing scientists know about the brain is what it is physically made of and how you can screw it up by doing certain things to it.
Research suggests that there is a correlation between brain size and intelligence, but the relationship is complex. While larger brain volume can indicate a greater number of neurons and synapses, intelligence is not solely determined by size; factors like brain structure, connectivity, and environmental influences also play significant roles. Additionally, intelligence is multifaceted and not easily quantifiable by brain size alone.
There are several ways to measure the human brain: weight (about 3 pounds), volume, intelligence.
The size of a skull is not a reliable indicator of intelligence. Brain size in relation to body size, the complexity of brain structures, and neuronal connections are better predictors of cognitive abilities. Multiple factors contribute to intelligence, and skull size alone does not determine intelligence levels.
Cranial capacity is often used as an indicator of brain size, although it is not a direct measure of intelligence. Larger cranial capacity may suggest a larger brain, which can potentially influence cognitive abilities and complex behaviors in some species.
Not necessarily. Brain size alone does not determine intelligence; factors like brain structure, connectivity, and neuroplasticity play significant roles in cognitive abilities. Many other factors, such as education, experiences, and genetics, also influence a person's intelligence.
The correlation between brain size and intelligence is relatively modest, with studies suggesting a correlation coefficient around 0.3 to 0.4. This indicates that while larger brain size may be associated with higher intelligence, it is not a definitive predictor. Other factors, such as the complexity of neural connections and environmental influences, also play significant roles in determining intelligence. Thus, brain size alone is not sufficient to fully explain cognitive abilities.
Logical indicator and Predictive Indicator
Every part of the brain - except possibly the brain stem, where involuntary processes are - contributes to intelligence.
The brain is in fact alone
cerebrum is the centere of intelligence.
While the brain is a central component in human intelligence, other factors such as the nervous system and biochemistry also play crucial roles. These disciplines collectively contribute to understanding the complexity of intelligence, emphasizing that it is not solely derived from the brain alone, but rather a combination of various bodily systems working in tandem.
laying out of its intelligence.