Brain endocast asymmetry in pongids and hominids
Some preliminary findings on the paleontology of cerebral dominance
Bibliographic Data
| ID | 8312706 |
|---|---|
| Authors | Ralph L Holloway (Columbia University), Marie Christine De La Costelareymondie (Columbia University) |
| Year | 1982 |
| Volume | 58 |
| Issue | 1 |
| Pages | 101-110 |
| Publication date | 1982-05-01 |
| Peer Reviewed | Yes |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | American Journal of Physical Anthropology (JOURNAL) |
| Journal identifiers | ISSN: 0002-9483 • E-ISSN: 1096-8644 |
| Publisher | Wiley (PUBLISHER • GB) |
| DOI | 10.1002/ajpa.1330580111 |
| PMID | 6812430 |
| OpenAlex | W2023231022 |
| Language | EN |
| Citations received | 71 |
| References cited | 48 |
Observations on petalial asymmetry for 190 hominoid endocasts are reported, and their statistical differences assessed. While all taxa of hominoids show asymmetries to various degrees, the patterns or combinations of petalial asymmetries are very different, with fossil hominids and modern Homo sapiens showing an identical pattern of left‐occipital, right‐frontal petalias, which contrasts with those found normally in pongids. Of the pongids, Gorilla shows the greater degree of asymmetry in left‐occipital petalias. Only modern Homo and hominids ( Australopithecus, Homo erectus , Neandertals) show a distinct left‐occipital, right‐frontal petalial pattern. Analysis by x 2 statistics shows the differences to be highly significant. Due to small sample size and incompleteness of endocasts, small‐brained hominids, i.e., Australopithecus , are problematical. To the degree that gross petalial patterns are correlated with cognitive task specialization, we speculate that human cognitive patterns evolved early in hominid evolution and were related to selection pressures operating on both symbolic and spatiovisual integration, and that these faculties are corroborated in the archaeological record
Archaeology · Australopithecus · Biological evolution · Biology · Brain size · Encephalization · Endocast · Evolutionary biology · Geography · Gorilla · Hominidae · Homo erectus · Homo sapiens · Paleoanthropology · Pleistocene · Skull · Zoology · Hemispheric Asymmetry in Neuroscience · Morphological variations and asymmetry · Paleontology · Primate Behavior and Ecology
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| Unique citing works | 71 |
|---|---|
| Citations per year | 1,73 |
| Citation span | 1985 - 2022 (38) |
| Citation velocity | historical |
| Highly cited | No |
| Citation types | Neutral: 68 |