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Changes of olfactory processing in childhood and adolescence
V A Schriever1, C Boerner2, E Mori3
1Smell & Taste Clinic, Department of Otorhinolaryngology, Technical University of Dresden, Dresden, Germany; Department of Neuropediatrics, University Hospital Carl Gustav Carus, TU Dresden, Germany.
Neuroscience
|December 21, 2014
Summary
Olfactory event-related potentials (OERPs) reveal age-related changes in central odor processing in children and adolescents. Younger children exhibited larger amplitudes, suggesting brain maturation influences olfactory perception.
Area of Science:
- Neuroscience
- Sensory processing
- Developmental psychology
Background:
- Olfactory event-related potentials (OERPs) are crucial for understanding central odor processing.
- Limited research exists on OERPs in pediatric populations, specifically children and adolescents.
- Investigating age and sex influences on olfactory processing in this demographic is needed.
Purpose of the Study:
- To measure OERPs in children and adolescents aged 6-17 years.
- To determine the impact of age on central odor processing.
- To assess the influence of sex on central odor processing.
Main Methods:
- 81 children (ages 6-17) participated.
- OERPs were recorded at Fz, Cz, and Pz using the 10-20 system.
- A computer-controlled olfactometer delivered rose-like odor stimuli.
Main Results:
- Age significantly affected late positivity amplitudes; younger children showed larger amplitudes.
- OERP latencies were not significantly influenced by age.
- Interactions between recording positions and latencies were observed between age groups and sexes.
Conclusions:
- OERPs are a viable method for studying central odor processing in children over 6 years old.
- Central odor processing undergoes changes from childhood to adolescence.
- These changes likely reflect ongoing brain maturation.
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