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6 Ways Your Brain Transforms Sound into Emotion

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Learn the surprising connections between sound, emotion, and hearing loss in the latest presentation from Audiology Associates & Hearing Aids Today.

Publié dans : Santé
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6 Ways Your Brain Transforms Sound into Emotion

  1. 1. 6 WAYS YOUR BRAIN TRANSFORMS SOUND INTO EMOTION www.hearingaidstoday.com (615) 457-8600
  2. 2. THE CONNECTIONS BETWEEN SOUND & EMOTION
  3. 3. SOME SOUNDS EVOKE UNIVERSAL EMOTIONS UCLA researchers have found that certain sounds are universally associated across cultures with: ▪ Amusement ▪ Fear ▪ Anger ▪ Disgust ▪ Sadness ▪ Surprise
  4. 4. WHILE OTHER SOUNDS DEPEND ON THE INDIVIDUAL Bidgee [CC BY-SA 3.0 au (http://creativecommons.org/licenses/by-sa/3. 0/au/deed.en)], via Wikimedia Commons The sound of thunder evokes either a feeling of relaxation or anxiety. Fireworks evoke either a feeling of nostalgia or anxiety. By Frank Vincentz (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons By Victorgrigas (Own work) [CC BY-SA 3.0 (http: //creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons The sound of a vibrating cell phone is perceived either as annoying or exciting.
  5. 5. WHY DO EMOTIONAL REACTIONS TO SOUND VARY BY INDIVIDUAL?
  6. 6. LUND UNIVERSITY RESEARCH Researchers from Sweden’s Lund University identified 6 psychological mechanisms by which sound evokes emotions and helps to explain why the reaction is sometimes universal and sometimes dependent on the person. The 6 mechanisms: 1. Brainstem Reflex 2. Evaluative Conditioning 3. Emotional Contagion 4. Visual Imagery 5. Episodic Memory 6. Music Expectancy
  7. 7. Henry Vandyke Carter [Public domain], via Wikimedia Commons When you hear a loud, unexpected, abrupt sound, you are immediately compelled to investigate. This reaction is hard-wired into your brain to alert you to immediately respond to potentially dangerous or important sounds. BRAINSTEM REFLEX
  8. 8. EVALUATIVE CONDITIONING By Allan Ajifo [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons A song played during your wedding day may bring feelings of joy… Photo by Tijl Vercaemer: https://www.flickr. com/photos/skender/1242203613 While the same song heard during a funeral will produce the opposite feelings of sadness.
  9. 9. EMOTIONAL CONTAGION Photo by Richard foster: https://www.flickr. com/photos/93963757@N05/8551937456 Research in the 1990s discovered “mirror neurons” that activate in our brains when we watch someone perform an action. That’s why it’s hard to not smile and laugh when you see others doing the same.
  10. 10. VISUAL IMAGERY Photo by Johntex, 2006. https://commons.wikimedia.org/wiki/File: Gentle_waves_come_in_at_a_sandy_beach.JPG Sounds can evoke images which in turn evoke emotions. For example, do you enjoy listening to the sounds of nature? Try listening to an audio recording of waves crashing and NOT visualizing yourself lounging at the beach.
  11. 11. EPISODIC MEMORY Sound can trigger both good and bad memories, depending on how the sound was paired with a single event. That’s why the sound of lightning can create fear and anxiety in those suffering from post-traumatic-stress-disorder from combat experience, for example. By TraumaAndDissociation: https://www.flickr.com/photos/traumaanddissociation/15799064142
  12. 12. MUSIC EXPECTANCY Ktims at the English language Wikipedia: https://commons.wikimedia.org/wiki/File: C_sharp_and_double_sharp_music.svg Music is nothing more than a random assortment of sounds… Music is emotionally appealing only because your brain imposes order and structure to the sounds… Your expectations about rhythm and melody provide this order and structure, and therefore your emotional reaction.
  13. 13. SOUND, EMOTION, AND HEARING LOSS
  14. 14. HEARING LOSS When you lose your hearing, you not only lose the ability to hear sounds… You also lose the emotional impact associated with those sounds.
  15. 15. THE EFFECTS OF HEARING LOSS By Mwanner (Own work) [CC BY-SA 3.0 (http://creativecommons. org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons During hikes, you miss out on the faint sounds of flowing water. By Vancouver 125 - The City of Vancouver from Vancouver, Canada [CC BY 2.0 (http: //creativecommons.org/licenses/by/2.0)], via Wikimedia Commons Music loses its emotional punch when you can’t hear certain instruments. By Ben Schumin (Flickr: Mircom Fire Alarm Horn/Strobe) [CC BY-SA 2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons You increase your risk of injury when you can’t hear alarms.
  16. 16. TREATING HEARING LOSS The bottom line: hearing is more important to our lives—and to our emotional lives— than we probably realize. It also means that treating your hearing loss will probably have a greater impact than you realize, too. What are some of your favorite sounds? What emotions do they evoke?

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