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Class Slides Set 16B Brains PowerPoint PPT Presentation


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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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Class Slides Set 16B Brains

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Class Slides Set16B

Brains


The brains l.jpg

The brains . . .

apes and humans have large heads and brains

(relative to body size)


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Human and Ape Brains

Humankind Emerging, 7th ed., p. 389


The brains6 l.jpg

The brains . . .

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

. . .


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  • size . . .

  • complexity . . .

  • the ratio of brain weight to overall body weight . . .

The brains develop in . . .


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  • size . . .

  • complexity . . .

  • the ratio of brain weight to overall body weight . . .

The brains develop in . . .


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Cranial Capacity…

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


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Cranial Capacity…

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


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Cranial Capacity…

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


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  • size . . .

  • complexity . . .

  • the ratio of brain weight to overall body weight . . .

The brains develop in . . .


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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


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The brains . . .

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


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The brains . . .

occipital region =

curved back and base

of the skull


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Gracile Australopithecus / Homo Lineage Brain

Humankind Emerging, 7th ed., p. 390


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The brains . . .

cerebrum =

  • large rounded structure of the brain

  • largest part of the brain

  • comprises ca. 85% of the brain’s total weight


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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


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The brains . . .

The cerebral cortex

(neocortex)

increases in area


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The brains . . .

cerebral cortex =

neocortex =

thin layer of grey matter covering the cerebrum


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The brains . . .

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


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The brains . . .

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


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The brains . . .

endocasts =

fossilized casts of the interior of a skull


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The brains . . .

humans also have

well-developed “association” areas . . .


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The brains . . .

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


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The brains . . .

association areas =

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


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Human Brain

Humankind Emerging, 7th ed., p. 389


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  • size . . .

  • complexity . . .

  • the ratio of brain weight to overall body weight . . .

    (“brain weight / body weight ratio”)

The brains develop in . . .


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Brain Weight – Body Weight Ratios

Humankind Emerging, 7th ed., p. 386


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


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Continue on to Set # 16C

Next: Teeth / Jaw

Diet


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