size of the brain is a frequent topic of study within the fields of anatomy, biological anthropology, animal science and evolution. Measuring brain size...

within species or between fairly closely related species. Brain size usually increases with body size in animals (i.e. large animals usually have larger brains...

that are covered in the human brain article are brain disease and the effects of brain damage. The shape and size of the brain varies greatly between species...

living brain structure and function (using fMRI) made this the pre-dominant and preferred method for measuring brain volume. Overall, larger brain size and...

brain refers to the progressive development and complexity of neural structures over millions of years, resulting in the diverse range of brain sizes...

is a relative brain size measure that is defined as the ratio between observed and predicted brain mass for an animal of a given size, based on nonlinear...

body sizes, and that brain size in dinosaurs was not smaller than expected when compared to living reptiles. Later research showed that relative brain size...

"The human brain shows highly reproducible sex differences in regional brain anatomy above and beyond sex differences in overall brain size" and that these...

(modern humans) was marked by a steady increase in brain size. As brain size increased, this altered the size and shape of the skull, from about 600 cm3 in...

finger, or equivalent. An elephant brain weighs around 5 kg (11 lb), which is about four times the size of a human brain and the heaviest of any terrestrial...

and females including size and strength, bodily proportions, hair distribution, breast differentiation, voice pitch, and brain size and structure. The human...

Neanderthals), and anatomically modern Homo sapiens. Most archaic humans had a brain size averaging 1,200 to 1,400 cubic centimeters, which overlaps with the range...

The hindbrain connects the rest of the brain to the spinal cord. The size and structure of the avian brain enables prominent behaviours of birds such...

percentage of gray matter appears to be more related to brain size than it is to sex. Differences in brain physiology between sexes do not necessarily relate...

causal relationship between brain size and intelligence in vertebrates. Most experiments involving the relevance of brain size to intelligence hinge on the...

species' brain size certainly exceeds that of ancestor species, capacity varied widely depending on the population. In earlier populations, brain development...

the human brain shows that the brain of a human is about more than four times the size of great apes and 20 times larger than the brain size of old world...

The ten percent of the brain myth or 90% of the brain myth states that humans generally use only one-tenth (or some other small fraction) of their brains...

ago, the hominin brain began to develop rapidly in both size and differentiation of function. There has been a gradual increase in brain volume as humans...

 floresiensis. In addition to a small body size, H. floresiensis had a remarkably small brain size. LB1's brain is estimated to have had a volume of 380 cm3...

found a correlation between primate brain size and average social group size. By using the average human brain size and extrapolating from the results...

Law deleted; they do not have to protect themselves from harm, and the brain size can be reduced by half.[citation needed] Robots that do not require orders...

brain size. Since most of the brain is used for maintaining bodily functions, greater ratios of brain to body mass may increase the amount of brain mass...

zeuxis is thought to have been sexually dimorphic. Tooth size, craniofacial morphology, brain size, and body mass all indicate this. Due to A. zeuxis being...

Zealand alongside Richard Owen. Moa exhibited insular gigantism, small brain size and complete loss of wings including the stylopod element. The southern...

"Intelligence and brain size in 100 postmortem brains: sex, lateralization and age factors". Brain. 129 (2): 386–398. doi:10.1093/brain/awh696. PMID 16339797...

(30 ft) in length and to a disc size of 7 m (23 ft) across with a weight of about 3,000 kg (6,600 lb), but the average size commonly observed is 4.5 m (15 ft)...

prolongations in juvenile behavior, and reductions in both total brain size and of particular brain regions. The set of traits used to define the animal domestication...

former has received wide support. Like contemporary Homo, H. habilis brain size generally varied from 500 to 900 cm3 (31–55 cu in). The body proportions...

corpus callosum. The size, amount of myelination, and density of the fibers in the subregions relate to the functions of the brain regions they connect...