Stone tool-making and brain activation

Position emission tomography (PET) studies

Dietrich Stout, Nicholas Toth, Kathy Schick, Julie Stout, Gary Hutchins

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

This study introduces to archaeology a new experimental technique for examining the relationship between stone tool-making and brain function. The principal focus of this exploratory study was the development of effective methods for the identification and examination of the regions of the modern human brain recruited during the manufacture of simple (Oldowan or Mode I) stone tools. The functional brain imaging technique employed. Positron Emission Tomography (PET), examines task-related brain activity by assessing changes in regional cerebral blood flow during specific tasks. The single-subject study reported here represents a heuristic, initial exploration of this subject. Results indicate that during stone tool-making there was heavy activation of cortical and subcortical regions of the brain associated with motor and somatosensory processing. Especially interesting was the high degree of activation in areas known to be involved with complex spatial cognition requiring integration of diverse sensory inputs (e.g. vision, touch, and proprioception, or sense of body position and motion). Expansion of such higher-order association areas has been particularly important during the course of human evolution. This single-subject pilot study demonstrates the application of the PET brain imaging technique to the study of early stone technologies and suggests hypotheses to be tested in more comprehensive studies in the future.

Original languageEnglish (US)
Pages (from-to)1215-1223
Number of pages9
JournalJournal of Archaeological Science
Volume27
Issue number12
DOIs
StatePublished - Jan 1 2000

Fingerprint

activation
brain
development of methods
archaeology
Stone Tools
Brain Activation
Tomography
cognition
heuristics
examination
Brain Imaging
Activation

Keywords

  • Brain
  • Cognition
  • Emission
  • Human evolution
  • Positron
  • Stone tool-Making
  • Tomography

ASJC Scopus subject areas

  • Archaeology
  • History
  • Archaeology

Cite this

Stone tool-making and brain activation : Position emission tomography (PET) studies. / Stout, Dietrich; Toth, Nicholas; Schick, Kathy; Stout, Julie; Hutchins, Gary.

In: Journal of Archaeological Science, Vol. 27, No. 12, 01.01.2000, p. 1215-1223.

Research output: Contribution to journalArticle

Stout, Dietrich ; Toth, Nicholas ; Schick, Kathy ; Stout, Julie ; Hutchins, Gary. / Stone tool-making and brain activation : Position emission tomography (PET) studies. In: Journal of Archaeological Science. 2000 ; Vol. 27, No. 12. pp. 1215-1223.
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