Event Abstract

Neurochemical basis of fear

  • 1 Monash University Malaysia, Brain Research Institute, School of Medicine and Health Sciences, Malaysia

Fear arises in stressful situations that are subjectively perceived as threatening, which is a conserved innate emotion expressed throughout the phyla within the vertebrates. Exposure of humans to an intensely fearful experience can lead to the development of psychological traumatic disorders such as post-traumatic stress disorder, which can be triggered by sight, sound and smell. Predator-derived odors can be highly effective stimuli for eliciting defensive behaviors including fear response in many vertebrates. We have demonstrated the role of a neuropeptide (kisspeptin) in the modulation of odorant (alarm substance)-evoked fear response in a specific brain area, the habenula. Odorant-signals from the olfactory sensory neurons are delivered to the habenular kisspeptin neurons via substance P (tachykinin peptide) containing neurons in the ventral telencephalon to modulate serotonin-dependent fear response. This talk will emphasize the role of kisspeptin and substance P in fear. Understanding neurochemical basis of olfactory related fear circuitry is important to develop treatments for psychological traumatic disorders.

Keywords: Fear, sensory neurons, stress, Kisspeptin, Traumatic injury

Conference: 14th Meeting of the Asian-Pacific Society for Neurochemistry, Kuala Lumpur, Malaysia, 27 Aug - 30 Aug, 2016.

Presentation Type: Plenary Lecture 1

Topic: 14th Meeting of the Asian-Pacific Society for Neurochemistry

Citation: Parhar I (2016). Neurochemical basis of fear. Conference Abstract: 14th Meeting of the Asian-Pacific Society for Neurochemistry. doi: 10.3389/conf.fncel.2016.36.00001

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Received: 26 Jul 2016; Published Online: 11 Aug 2016.

* Correspondence: Prof. Ishwar Parhar, Monash University Malaysia, Brain Research Institute, School of Medicine and Health Sciences, Petaling Jaya, Selangor, Malaysia, ishwar@monash.edu

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