SOCR Data April2009 ID NI

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SOCR Datasets - Neuroimaging study of Prefrontal Cortex Volume across Species and Tissue Types

Data Overview

Neuroimaging Data

The prefrontal cortex is the anterior part of the frontal lobes of the brain in front of the premotor areas. Prefrontal cortex includes cytoarchitectonic layer IV and includes three regions: orbitofrontal (OFC), dorsolateral prefrontal cortex (PFC), anterior and ventral cingulate cortex. Human brains are much distinct from the brains of other primates and apes specifically in the prefrontal cortex. These structural differences induce significant functional abilities which may account for the significant associating, planning and strategic thinking in humans, compared to other primates. The study below investigated the quantitative differences between the PFC volumes across species and tissue types.

Data Description

  • ICV – intracranial volume
  • PFC – prefrontal cortex
  • GM – gray matter
  • Total – total volume
  • WM – white matter
  • SEM – standard error of the mean

Data: Total, GM and WM volumes of ICV and PFC across species

Cerebrum ICV (mm3) PFC (mm3) % PFC/ICV
Total GM WM Total GM WM
Human 1,206,129 535,956 670,174 156,443 82,346 74,097 12.97067%
Bonobo 272,837 125,469 147,368 25,374 15,382 9,993 9.300058%
Chimpanzee 277,843 123,858 153,985 30,324 17,234 13,091 10.91408%
Gorilla 389,681 170,505 219,176 41,655 23,419 18,235 10.68951%
Orangutan 333,075 154,293 178,781 33,763 21,193 12,570 10.13676%
Gibbon 65,938 32,418 33,520 6,302 3,994 2,307 9.557463%
Mangabey 82,495 37,985 44,510 6,599 3,804 2,794 7.999273%
Baboon 130,600 58,615 71,985 11,660 6,530 5,130 8.928025%
Macaca 69,875 31,841 38,034 5,579 2,813 2,766 7.984258%
Capuchin 58,581 29,358 29,223 5,835 3,293 2,542 9.960567%
Squirrel(monkey) 21,542 9,785 11,756 1,820 1,094 727 8.448612%

Data: Average percentage of cortical measure designated prefrontal

Total (mm3) GM (mm3) WM
mean SEM mean SEM mean SEM
Human 12.97 0.3 14.4 0.3 10.9 0.4
Bonobo 9.30 0.3 11.9 0.4 6.8 0.4
Chimpanzee 10.91 0.8 14.1 1.1 8.3 0.7
Gorilla 10.68 0.5 13.7 0.8 8.3 0.2
Orangutan 10.13 0.6 14.1 0.5 7.5 0.6
Gibbon 9.55 0.7 12.3 1.2 6.9 0
Mangabey 7.99 0.6 9.8 0.7 6.2 0.8
Baboon 8.92 1.4 11.2 0.5 7.5 2
Macaca 7.98 0.6 8.8 0.3 7.3 0.9
Capuchin 9.96 0.1 11.4 0.5 8.6 0.2
Squirrel(monkey) 8.44 0.6 10.6 1 6.3 0.3

References





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