Related Experiment Video
Updated: Nov 10, 2025
08:58
Optogenetic Manipulation of Neural Circuits During Monitoring Sleep/wakefulness States in Mice
Published on: June 19, 2019
10.1K
The Ontogenesis of Mammalian Sleep: Form and Function
1Washington State University Spokane, Elson S. Floyd College of Medicine, Pharmaceutical and Biomedical Science Building 213, 412 E. Spokane Falls Blvd.
Current Sleep Medicine Reports
|April 5, 2021
Summary
Perinatal sleep patterns change significantly, with decreases in REM sleep and increases in non-REM sleep and wakefulness. These sleep changes are crucial for brain development and plasticity during this critical period.
Area of Science:
- Neuroscience
- Developmental Biology
- Sleep Science
Background:
- Mammalian sleep undergoes significant transformations during perinatal development.
- Sleep regulation involves complex homeostatic and circadian processes that mature over time.
Purpose of the Study:
- To review and synthesize current findings on perinatal sleep development and function.
- To explore the role of sleep in promoting brain development and plasticity.
- To discuss experimental considerations in studying perinatal sleep.
Main Methods:
- Review of existing literature on sleep ontogenesis.
- Synthesis of evidence linking sleep to brain maturation and synaptic plasticity.
Main Results:
- Perinatal sleep shows a decrease in rapid-eye-movement (REM) sleep and increases in non-REM sleep and wakefulness.
- Developmental sleep changes coincide with rapid brain maturation and critical periods of synaptic plasticity.
- Sleep regulation matures, incorporating homeostatic and circadian processes.
Conclusions:
- Ontogenetic sleep changes suggest a vital interaction between sleep and brain development.
- Sleep likely influences synaptogenesis, synaptic pruning, and the timing of critical developmental plasticity periods.
Related Concept Videos
01:11Understanding Sleep
1.0K
Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
1.0K
01:22Stages of Sleep
909
Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
909
01:24Sleep-Wake Cycles
2.1K
Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
2.1K
01:02The Pineal Gland
3.4K
The pineal gland, a diminutive endocrine structure named for its pinecone-shaped appearance, is situated atop the third ventricle within the diencephalon region of the forebrain. This gland, composed of secretory cells known as pinealocytes arranged in compact cords and clusters around dense particles of calcium salts, plays a pivotal role in hormonal regulation.
The primary secretion of the pineal gland is the hormone melatonin, derived from serotonin. The concentration of melatonin in the...
The primary secretion of the pineal gland is the hormone melatonin, derived from serotonin. The concentration of melatonin in the...
3.4K
02:19Circadian Rhythms and Gene Regulation
4.3K
The biological clock is involved in many aspects of regulating complex physiology in all animals. It was in 1935 when German zoologists, Hans Kalmus and Erwin Bünning, discovered the existence of circadian rhythm in Drosophila melanogaster. However, the internal molecular mechanisms behind the circadian clock remained a mystery until 1984, when Jeffrey C. Hall, Michael Rosbash, and Michael W. Young discovered the expression of the Per gene oscillating over a 24-hour cycle. In subsequent...
4.3K
01:13Functional Brain Systems: Reticular Formation
3.2K
The reticular formation is a complex network of gray and white matter located within the brainstem extending from the medulla to the midbrain.
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...
Within the reticular formation, there are several distinct nuclei that can be classified into three broad categories. The Raphe nuclei are located along the midline of the brainstem. They are primarily known for their role in synthesizing and releasing serotonin, a neurotransmitter involved in regulating mood, appetite, sleep, and circadian rhythms. The...
3.2K