Naming Multiple Objects

Neural Correlates as Measured by Positron Emission Tomography

Kati Renvall, Matti Laine*, Jaana Hiltunen, Juha O. Rinne, Valtteri Kaasinen, Hannu Sipilä, Katri Cornelissen, Nadine Martin

*Corresponding author for this work

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The aim of this study was to examine the neural substrates of multiobject naming by positron emission tomography in normals. Multiobject naming is used in a technique called contextual priming (CP) to elicit contextual effects on picture naming through systematic manipulation of the relatedness of to-be-named pictures in an array. Inhibitory and facilitatory effects of CP on naming have been used both to highlight the inner dynamics of the normal word retrieval system and to treat naming difficulties caused by acquired anomia. Because of the complexity of the CP technique, it is unclear whether it merely reflects lexical retrieval or whether it also recruits general cognitive resources such as attentional control and response selection to a significant degree. When compared with a baseline situation in which colored circles were named, multiobject naming elicited increased blood flow in the occipital lobe and in the left inferior temporal and fusiform gyri. These areas have been related to visual pattern recognition and semantic access, and the pattern of activation is in line with previous functional imaging studies on single picture naming. In conclusion, multiobject naming does not appear to activate brain regions beyond those needed for single object naming. These findings thus provide independent evidence for the claim that CP is a valid paradigm for the study of word production proper.

Original languageEnglish
Pages (from-to)224-233
Number of pages10
JournalApplied Neuropsychology
Volume10
Issue number4
DOIs
Publication statusPublished - 2003
Externally publishedYes

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Keywords

  • Anomia treatment
  • Contextual priming
  • Lexical retrieval
  • PET imaging
  • Picture naming

Cite this

Renvall, K., Laine, M., Hiltunen, J., Rinne, J. O., Kaasinen, V., Sipilä, H., ... Martin, N. (2003). Naming Multiple Objects: Neural Correlates as Measured by Positron Emission Tomography. Applied Neuropsychology, 10(4), 224-233. https://doi.org/10.1207/s15324826an1004_4