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Vestibular system

Barcelona: March, 2017

Psychophysiology

Department of Clinical Psychology and Psychobiology

Outline

Bear, M. F., Connors, B. W., & Paradiso, M. A. (2016). Neuroscience: exploring the brain. Philadelphia: Wolters Kluwer.

2.4. Vestibular system

• Vestibular stimuli
• Vestibular apparatus in inner ear
  • Otolith organs
  • Semicircular canals
• Vestibular pathways
• Functional implications

Vestibular stimuli

A sixth sense

Olichel CCO Public Domain © Pixabay

Balance

By Sam and Jeff and Leigh! fromLos Angeles & Madison, United States (Swim With Mike (5)), viaWikimedia Commons

Which way is up?

Where am I going?

Alamy stock photo

A sense we are only conscious of when it fails! (^) Selfmade GIF from viral youtube video

GYPHY. Pokemon Go. PubNub. PubMote.

Pinterest

A sense your pocket device has built-in!

Bosch Mobility Solutions. Bosch Working principle of an acceleration sensor

Tracking the displacement of movable parts

Vestibular stimuli

Vestibular apparatus in the inner ear

Vestibular Labyrinth:

• Otolith organs
• Semicircular canals

Kandel, E.R. et al .. © 2013 The MacGraw-Hill Companies.

Vestibular apparatus in the inner ear

Otolith organs

Giphy

Vestibular stimuli

Gravity!

What kind of information do we need to capture to determine which way is up?

Which is a form of…

Linear Acceleration

http://stories.barkpost.com/21-wacky-and-hilarious-gifs-of-dogs-in-cars/

What kind of information do we need to capture to determine where are we going?

Angular acceleration

http://thebiglead.com/2014/02/08/julia-lipnitskaia-15-year-old-russian-figure-skater-spinning-forever-in-gif-form/

Vestibular stimuli

Outline

Bear, M. F., Connors, B. W., & Paradiso, M. A. (2016). Neuroscience: exploring the brain. Philadelphia: Wolters Kluwer.

2.4. Vestibular system

• Vestibular stimuli
• Vestibular apparatus in inner ear
  • Otolith organs
  • Semicircular canals
• Vestibular pathways
• Functional implications

http://www.FauquierENT.net

Semicircular canals

Posterior Canal *Although their real orientation is 45º

Horizontal Canal

Kandel, E.R. et al .. © 2013 The MacGraw-Hill Companies.

Semicircular canals

Hair cells

Receptors

Kandel, E.R. et al. © 2013 The MacGraw-Hill Companies.

Outline

Bear, M. F., Connors, B. W., & Paradiso, M. A. (2016). Neuroscience: exploring the brain. Philadelphia: Wolters Kluwer.

2.4. Vestibular system

• Vestibular stimuli
• Vestibular apparatus in inner ear
  • Otolith organs
  • Semicircular canals
• Vestibular pathways
• Functional implications