conclusion
The sense of smell is a unique sense in the way that it is interconnected with
different functional systems in the brain, such as the emotionally centered
limbic system and the hormone-regulating endocrine system, and in the
way that the olfactory bulbs are attached directly to the cerebral cortex.
Existing research found that certain smells can evoke changes in physiological
responses as well as moods and cognitive processes, but the present research
examined whether there was a relationship between a stimulating or soothing
scent, heart rate, and short-term memory. The researcher hypothesized that
the stimulating scent of lemon would cause an increase in heart rate and
improve memory compared with the soothing scent of lavender, but the
findings of this experiment did not statistically support this hypothesis. Due
to the wiring of the brain and how the olfactory bulbs are connected to the
108
California State University, Sacramento
amygdala, which communicates with the hypothalamus, this researcher still
thinks that smell may affect heart rate. With the exclusion of the limitations
found in this present study, the current hypothesis may be supported in
conclusionThe sense of smell is a unique sense in the way that it is interconnected withdifferent functional systems in the brain, such as the emotionally centeredlimbic system and the hormone-regulating endocrine system, and in theway that the olfactory bulbs are attached directly to the cerebral cortex.Existing research found that certain smells can evoke changes in physiologicalresponses as well as moods and cognitive processes, but the present researchexamined whether there was a relationship between a stimulating or soothingscent, heart rate, and short-term memory. The researcher hypothesized thatthe stimulating scent of lemon would cause an increase in heart rate andimprove memory compared with the soothing scent of lavender, but thefindings of this experiment did not statistically support this hypothesis. Dueto the wiring of the brain and how the olfactory bulbs are connected to the 108California State University, Sacramentoamygdala, which communicates with the hypothalamus, this researcher stillthinks that smell may affect heart rate. With the exclusion of the limitationsfound in this present study, the current hypothesis may be supported in
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