Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Very short term recognition memory for odors

C Jehl1, J P Royet, A Holley

  • 1Université Claude-Bernard, Laboratoire de Physiologie Neurosensorielle, Villeurbanne, France.

Perception & Psychophysics
|December 1, 1994
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Parkinsonian gait in elderly people: Significance of the threshold value of two and more falls per year.

Revue neurologique·2020
Same author

Prevalence and significance of CYP2C19*2 and CYP2C19*17 alleles in a New Zealand acute coronary syndrome population.

Internal medicine journal·2015
Same author

Prognostic significance of tricuspid annular displacement in normotensive patients with acute symptomatic pulmonary embolism.

Journal of thrombosis and haemostasis : JTH·2014
Same author

Frozen blood products: clinically effective and potentially ideal for remote Australia.

Anaesthesia and intensive care·2013
Same author

Can learning to sustain life be BASIC? Teaching for the initial management of the critically ill in Australia and New Zealand.

Anaesthesia and intensive care·2011
Same author

Brainstem changes in 5-HT1A receptor availability during migraine attack.

Cephalalgia : an international journal of headache·2010
Same journal

Response organization in selective adaptation to speech sounds.

Perception & psychophysics·2014
Same journal

Reaction times to comparisons within and across phonetic categories.

Perception & psychophysics·2012
Same journal

Auditory and phonetic memory codes in the discrimination of consonants and vowels.

Perception & psychophysics·2012
Same journal

Simple and contingent adaptation effects for place of articulation in stop consonants.

Perception & psychophysics·2012
Same journal

Auditory property detectors and processing place features in stop consonants.

Perception & psychophysics·2012
Same journal

Visual working memory for line orientations and face identities.

Perception & psychophysics·2008
See all related articles

Olfactory recognition memory is influenced by odor similarity. Subjects prioritized detecting differences, leading to more false alarms for similar odors and over longer retention intervals.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Sensory Perception

Background:

  • Investigating very short-term olfactory recognition memory.
  • Utilizing odors with low familiarity to subjects.
  • Employing a procedure for qualitative similarity judgments on paired odors.

Purpose of the Study:

  • To assess olfactory recognition memory performance.
  • To determine the dependence of recognition on qualitative similarity.
  • To examine the effect of retention interval on olfactory recognition.

Main Methods:

  • Subjects performed a yes/no recognition paradigm on identical or different odor pairs.
  • Two sets of odor pairs were used: slightly dissimilar (S1) and very dissimilar (S2).
  • Performance was evaluated based on correct judgments (hits, correct rejections) and false alarms.

Related Experiment Videos

Main Results:

  • Recognition performance was high for identical and very dissimilar odor pairs, irrespective of a 2-300 sec delay.
  • False alarms increased significantly for slightly dissimilar pairs, indicating performance dependence on qualitative distance.
  • False alarms also tended to increase with longer retention intervals.

Conclusions:

  • Subjects appeared to base responses on detecting odor differences rather than similarities.
  • Accurate identification was maintained at the expense of increased false alarms when discrimination was harder (similar odors) or memory faded.
  • Recognition performance may have a cognitive/semantic basis, supported by congruence between similarity judgments and odor evocations.