UIUC PSYC 239 - Module4_studyGuide

Important concepts to know – Module 4The concepts listed below are the most important ones for you to understand in this module. You can use this list to help you with notetaking while you watch the videos. Unit 6 –Understanding the World Through Sound Harmonic Spectrum Missing Fundamental Effect Timbre Onset and offset of sounds change the quality of sounds as well How sound Localization works What is Interaural level difference? What is Interaural Time Difference?o How is interaural time difference computed in the medial superior olives? Cone of confusion Elevation Perception  Reverberation and Echoo Relationship between sound frequency and its travel distanceo What is an echo? Auditory Scene Analysiso Spatial segregationo Temporal segregationo Spectral segregationo Spectral Sensitivityo Sound restorationUnit 7–The vestibular system The roles of vestibular information in our daily lifeo Vestibulo-spinal reflexo Visual stability o Regulation of blood pressure o Vestibulo-autonomic reflex What Information does the Vestibular System provide? Location of the Vestibular system in the human body  What are the vestibular organs? Vestibular organs and sensitivity to changes Function of hair cells in the vestibular organs How vestibular organs work when the head is moving (and when the head is not moving?)o Resting Stateo Depolarization (Excitation)o Hyperpolarization (Inhibition) Definition and functions of otolith organs Functions and anatomical facts ofo Utricles and Sacculeso Otoconiao Striolao Hair cells Functions of Semicircular Canals Three semicular canals: anterior, posterior, and horizontal Structures of Semicircular Canals (Functions and anatomical facts)o Ampullao Cupulao Hair cells  Direction of Rotational Movements What different rotational movement cause changes in semicircular canals? Push-Pull effects in the two ears Low vs. High Amplitude Movements  Sinusoidal Changes in Angular Acceleration Deflection of the Cupula after Acceleration and Deceleration Experienced Speed of Turning Exponent for turning sensation? What is passive translation? How the perception of Tilt works? What dysfunctions of the vestibular sense cause? Symptoms and causes of o Vertigoo Vestibular neuritis o Labyrinthitiso Motion sickness Illusion of