The Auditory System in Sleep
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Table of contents
- Contentsvii
- Forewordxi
- Acknowledgementsxiii
- Introductionxvii
- Chapter 1. Brief analysis of the organization of the auditory system and its physiological basis1
- The afferent ascending system1
- Auditory nerve evoked activity2
- Evoked activity5
- Cochlear nucleus7
- Superior olivary complex10
- Inferior Colliculus13
- Medial geniculate body15
- Auditory cortex16
- The reticular formation24
- The cerebellum24
- The efferent descending system26
- Auditory cortex efferents28
- Inferior colliculus efferents29
- The olivo-cochlear system31
- General considerations of efferent activities36
- Chapter 2. The physiological bases of sleep39
- Sleep is a central nervous system state40
- Sleep and their associated physiological changes44
- Neurophysiology63
- Possible functions performed during sleep74
- Chapter 3. Notes on information processing79
- Coding80
- Chapter 4. Auditory information processing during sleep89
- Without sensory input89
- Evoked activity91
- Sensory evoked responses92
- Human auditory far-field evoked potentials93
- Long latency evoked potentials95
- Cognitive, event-related potentials95
- P30095
- Mismatch negativity96
- Experimental animal studies of evoked potentials98
- Human magnetoencephalographic evoked activity recordings in sleep102
- Human auditory brain areas imaging104
- Chapter 5. Auditory unit activity in sleep107
- The activity of central auditory neurones in sleep and wakefulness108
- Neuronal discharge pattern shifts119
- Relationships between the theta rhythm of the hippocampus and auditory neurones123
- Complex sound processing at the auditory single unit level139
- Conclusions145
- Chapter 6. Auditory influences on sleep151
- Sensory input and sleep154
- Human and animal experimental data: effects of sound stimulation and auditory deprivation on sleep159
- Conclusions165
- Highlights from the auditory system standpoint166
- Highlights from the sleep state viewpoint167
- References169
- Index195
This book presents for the first time a view of a sensory system working in a different state-that of the sleeping brain. The auditory system is always “open receiving information from the environment and the body itself (conscious and unconscious data). Even during sleep the auditory information is processed, although in a different way. This book draws information from evoked potentials, fMRI, PET, SPECT, lesions, etc., together with electrophysiological online data in order to depict how the auditory system single unit activity, recorded during sleep, revealed the possibility of sensory information participation in sleep processes.
* Presents diverse experimental viewpoints from the beginning of classical electroencephalography to the more recent imaging, single units, electro-magneto-encephalography studies, etc.
* Includes classic data as well as new data based in the existing literature and on the long scientific research lines (auditory and sleep) developed by the author and coworkers on this subject since 1963
* Presents diverse experimental viewpoints from the beginning of classical electroencephalography to the more recent imaging, single units, electro-magneto-encephalography studies, etc.
* Includes classic data as well as new data based in the existing literature and on the long scientific research lines (auditory and sleep) developed by the author and coworkers on this subject since 1963