نتایج جستجو برای: olfaction disorders

تعداد نتایج: 673506  

2014
Yutaro Kawaguchi Akira Nagaoka Asana Kitami Tomomi Mitsuhashi Youichi Hayakawa Makito Kobayashi

It is known that olfaction is essential for the occurrence of sexual behavior in male goldfish. Sex pheromones from ovulatory females elicit male sexual behavior, chasing, and sperm releasing act. In female goldfish, ovarian prostaglandin F2α (PGF) elicits female sexual behavior, egg releasing act. It has been considered that olfaction does not affect sexual behavior in female goldfish. In the ...

Journal: :Chemical senses 2013
Stacie S Miller Amy R Gordon Mats J Olsson Johan N Lundström Pamela Dalton

Given that context affects olfaction and the elderly exhibit olfactory deficits, the current study tested whether a subtle change in internal context, evoked by priming the elderly stereotype, would affect performance in a variety of olfactory tasks including odor sensitivity, discrimination, and identification (Experiment 1), as well as perceived odor intensity, pleasantness and familiarity, a...

2014
Shenbing Kuang Tao Zhang

Senses of smells are often accompanied by simultaneous visual sensations. Previous studies have documented enhanced olfactory performance with concurrent presence of congruent color- or shape- related visual cues, and facilitated visual object perception when congruent smells are simultaneously present. These visual object-olfaction interactions suggest the existences of couplings between the o...

2012
Ewelina Wnuk Asifa Majid

According to a widely-held view among various scholars, olfaction is inferior to other human senses. It is also believed by many that languages do not have words for describing smells. Data collected among the Maniq, a small population of nomadic foragers in southern Thailand, challenge the above claims and point to a great linguistic and cultural elaboration of odor. This article presents evid...

2014
Benjamin D. Young

Qualitative-consciousness arises at the sensory level of olfactory processing and pervades our experience of smells to the extent that qualitative character is maintained whenever we are aware of undergoing an olfactory experience. Building upon the distinction between Access and Phenomenal Consciousness the paper offers a nuanced distinction between Awareness and Qualitative-consciousness that...

2017
Sanne K. Meles David Vadasz Remco J. Renken Elisabeth Sittig‐Wiegand Geert Mayer Candan Depboylu Kathrin Reetz Sebastiaan Overeem Angelique Pijpers Fransje E. Reesink Teus van Laar Lisette Heinen Laura K. Teune Helmut Höffken Marcus Luster Karl Kesper Sofie M. Adriaanse Jan Booij Klaus L. Leenders Wolfgang H. Oertel

BACKGROUND Idiopathic REM sleep behavior disorder is a prodromal stage of Parkinson's disease and dementia with Lewy bodies. Hyposmia, reduced dopamine transporter binding, and expression of the brain metabolic PD-related pattern were each associated with increased risk of conversion to PD. The objective of this study was to study the relationship between the PD-related pattern, dopamine transp...

Journal: :Biotechnology & genetic engineering reviews 2010
Glen Rains Don Kulasiri Zhongkun Zhou Sandhyar Samarasinghe Jeffery Tomberlin Dawn Olson

Insects have extremely sensitive systems of olfaction. These systems have been explored as potential sensors for odourants associated with forensics, medicine, security, and agriculture application. Most sensors based on insect olfaction utilize associative learning to "program" the insects to exhibit some form of behavioural response to a target odourant. To move to the next stage of developme...

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