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Class Slides Set 16B Brains

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Class Slides Set 16B Brains. The brains . . . apes and humans have large heads and brains (relative to body size). Human and Ape Brains. Humankind Emerging, 7th ed ., p. 389. The brains . . . the large brains of apes and humans are also more developed than those of other animals . . .

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Presentation Transcript
the brains
The brains . . .

apes and humans have large heads and brains

(relative to body size)

slide5

Human and Ape Brains

Humankind Emerging, 7th ed., p. 389

the brains6
The brains . . .

the large brains of apes and humans are also more developed than those of other animals

. . .

slide7
size . . .
  • complexity . . .
  • the ratio of brain weight to overall body weight . . .

The brains develop in . . .

slide8
size . . .
  • complexity . . .
  • the ratio of brain weight to overall body weight . . .

The brains develop in . . .

slide10

Cranial Capacity…

Understanding Physical Anthropology and Archaeology, 9th ed., p. 207

slide11

Cranial Capacity…

Understanding Physical Anthropology and Archaeology, 9th ed., p. 207

slide12

Cranial Capacity…

Understanding Physical Anthropology and Archaeology, 9th ed., p. 207

slide15
size . . .
  • complexity . . .
  • the ratio of brain weight to overall body weight . . .

The brains develop in . . .

slide16

Lateral view of the brain. The illustration shows the increase in the

cerebral cortex of the brain. The cerebral cortex integrates sensory

information and selects responses.

Understanding Physical Anthropology and Archaeology, 9th ed., p. 107

the brains17
The brains . . .

humans have highly developed frontal and occipital regions of the brain . . .

the brains18
The brains . . .

occipital region =

curved back and base

of the skull

slide19

Gracile Australopithecus / Homo Lineage Brain

Humankind Emerging, 7th ed., p. 390

the brains20
The brains . . .

cerebrum =

  • large rounded structure of the brain
  • largest part of the brain
  • comprises ca. 85% of the brain’s total weight
slide21

Lateral view of the brain. The illustration shows the increase in the

cerebral cortex of the brain. The cerebral cortex integrates sensory

information and selects responses.

Understanding Physical Anthropology and Archaeology, 9th ed., p. 107

the brains22
The brains . . .

The cerebral cortex

(neocortex)

increases in area

the brains23
The brains . . .

cerebral cortex =

neocortex =

thin layer of grey matter covering the cerebrum

the brains25
The brains . . .

in humans the cerebral cortex lies in folds or “convolutions” over the entire surface of the cerebral hemisphere

the brains27
The brains . . .

prehistorically the convoluted cerebral cortex can often be seen in “endocasts”

the brains28
The brains . . .

endocasts =

fossilized casts of the interior of a skull

the brains30
The brains . . .

humans also have

well-developed “association” areas . . .

the brains31
The brains . . .

association areas are thought to be involved in learning, memory, thinking, and bringing together information form the various senses

the brains32
The brains . . .

association areas =

regions of the cerebral hemispheres thought to serve some integrative function . . .

slide33

Human Brain

Humankind Emerging, 7th ed., p. 389

slide34
size . . .
  • complexity . . .
  • the ratio of brain weight to overall body weight . . .

(“brain weight / body weight ratio”)

The brains develop in . . .

slide35

Brain Weight – Body Weight Ratios

Humankind Emerging, 7th ed., p. 386

slide37

http://www.d.umn.edu/cla/faculty/troufs/anth1602/pcbrain.htmlhttp://www.d.umn.edu/cla/faculty/troufs/anth1602/pcbrain.html

slide39

Continue on to Set # 16C

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