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Is there an inner nose?

D G Elmes1

  • 1Psychology Department, Washington and Lee University, Lexington, VA 24450-0303, USA. elmesd@wlu.edu

Chemical Senses
|October 6, 1998
PubMed
Summary
This summary is machine-generated.

Evidence suggests an "inner nose" may exist, despite inconclusive behavioral data. Further electroencephalography (EEG) and neuroimaging studies are needed for definitive proof of this olfactory processing center.

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Area of Science:

  • Neuroscience
  • Olfactory Perception
  • Cognitive Science

Background:

  • Behavioral and neuropsychological studies on olfactory imagery have yielded inconclusive results.
  • Previous electroencephalography (EEG) research offers some support for the concept of an 'inner nose'.
  • The existence and neural basis of olfactory imagery remain debated in scientific literature.

Purpose of the Study:

  • To re-evaluate existing electroencephalography (EEG) data concerning olfactory imagery.
  • To assess the evidence for a distinct neural substrate for olfactory mental representations, termed the 'inner nose'.
  • To identify the necessity for future research directions in olfactory cognition.

Main Methods:

  • Reanalysis of historical electroencephalography (EEG) data.

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  • Review of existing behavioral and neuropsychological findings.
  • Identification of limitations in current methodologies for studying olfactory imagery.

    • Main Results:

    • Reconsideration of earlier EEG studies provides reasonably clear evidence supporting the existence of an 'inner nose'.
    • Behavioral and neuropsychological data remain inconclusive regarding olfactory imagery.
    • The current evidence necessitates further investigation.

    Conclusions:

    • The concept of an 'inner nose' is supported by re-examined EEG data.
    • Conclusive demonstration of the 'inner nose' requires further electroencephalography (EEG) and neuroimaging studies.
    • Future research should integrate multiple neuroscientific methodologies to elucidate olfactory mental imagery.