Sensory Systems

23 Episodes

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Lecture 21: Sound localization 2: Superior olivary complex and IC

2015-06-1701:21:47

This video continues to discuss sound localization, including neural processing in the lateral superior olive and inferior colliculus. It also covers the auditory pathways in Barn Owls.

Lecture 23: Auditory cortex 2: Language; bats and echolocation

2015-06-1701:25:41

This video discusses echolocation by bats and the cortical processing of language.

Lecture 22: Auditory cortex 1: Physiology and sound localization

2015-06-1701:23:15

This video introduces the auditory cortex, including its physiology and role in sound localization. Also discussed is the pitch area.

Lecture 10: The neural control of visually guided eye movements 1

2015-06-1701:12:18

The video describes visually guided eye movements, including saccades and smooth pursuit movements. Also covered are the extraocular muscles, the cranial nerves and the parts of the brain required for these movements.

Lecture 13: Review: The visual and oculomotor systems

2015-06-1701:18:32

This video reviews important topics from the visual and oculomotor systems lectures.

Lecture 9: Illusions and visual prosthesis

2015-06-1701:20:03

This lecture demonstrates various illusions and analyzes theories for their explanation. Additionally, the instructor discusses the requirements of visual prostheses and the current state of research on them.

Lecture 18: Hearing loss; demo by Sheila Xu, cochlear implant user

2015-06-1701:22:21

This video covers the features and causes of hearing loss as well as cochlear implants and features a discussion with a cochlear implant user.

Lecture 19: Descending systems and reflexes

2015-06-1701:22:01

This video covers the auditory brainstem and reflex pathway components, including the olivocochlear neurons and middle ear muscles.

Lecture 20: Sound localization 1: Psychophysics and neural circuits

2015-06-1701:17:15

This video covers sound localization using binaural cues, including the psychophysics and neural circuits.

Lecture 11: The neural control of visually guided eye movements 2

2015-06-1701:15:57

This video covers saccadic eye movements and the role of the superior colliculus and cortical regions on those movements. The video includes a discussion of the effect of lesions and certain pharmacological agents on saccadic eye movements.

Lecture 14: Sound: External, middle and inner ears

2015-06-1701:24:43

This video describes the physical characteristics of sound and the roles of the three components of the auditory periphery.

Lecture 15: Hair cells

2015-06-1701:25:28

This video describes the anatomy of the cochlea, inner and outer hair cells as well as OHC electromotility and otoacoustic emissions.

Lecture 16: Auditory nerve; psychophysics of frequency resolution

2015-06-1701:26:26

This video covers the auditory nerves and frequency resolution, including tuning and tonotopy, frequency discrimination and phase locking.

Lecture 17: Cochlear nucleus: Tonotopy, unit types and cell types

2015-06-1701:23:01

This video covers the anatomy and physiology of the auditory central nervous system and the cochlear nucleus and introduces auditory implants.

Lecture 6: Adaptation and color

2015-06-1701:13:20

This lecture describes the features of and major theories behind color vision. It covers how color is processed in the retina, LGN and cortex as well as color blindness and adaptation.

Lecture 8: Form perception

2015-06-1701:12:29

This lecture describes form perception, including Gestalt, three major theories and properties of spatial frequency analysis. Also covered are cortical areas important to intermediate vision, subjective contours and facial recognition.

Lecture 12: Motion perception and pursuit eye movements

2015-06-1701:16:45

This video covers motion perception,including the role of motion parallax. The instructor also discusses structure from motion, apparent motion, brightness masking and optokinetic nystagmus.

Lecture 2: Basic layout of the visual system and the retina

2015-06-1701:21:42

This video covers the basic layout and components of the visual system, including retinal ganglion cells, photoreceptors, biopolar, horizontal and amacrine cells.

Lecture 4: The ON and OFF channels

2015-06-1701:07:33

This lecture describes the ON and OFF retinal ganglion cells, retinal connections and the effect of a glutamate analog called 2-amino-4-phosphonobutyrate (APB) on vision.

Lecture 7: Depth perception

2015-06-1701:08:39

This lecture covers depth perception, including mechanisms used to analyze depth such as the effects of lesions in V4 or MT, stereo-blindness, parallax, shading and perspective. It also describes how depth is processed by cortical structures.

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