Learning disabilities: If a person’s brain is producing large quantities of delta activity while they are awake, they may experience learning disabilities or ADHD. The delta frequency range may make it extremely difficult for an individual to focus. It has been found that individuals with various types of brain injuries tend to produce delta during waking hours – making it extremely difficult for the individual to perform conscious tasks.
Unconscious mind: Delta waves are linked with the unconscious – meaning responses that cannot be consciously controlled. Bodily functions that are regulated unconsciously include the beat of the heart, breathing, kidney function, digestion, etc. Every process that is unconsciously regulated is associated with delta activity.
Delta Brain Waves Research
Age affects delta: In general, the younger an individual is, the more likely they are to have higher amounts of delta. As we age, delta activity tends to significantly decline. Newborn babies tend to have a lot of slow wave activity simply because their brains have not developed enough to facilitate conscious thought. As the infant continues to grow and their brain evolves, delta activity is reduced, and their brain waves tend to speed up to greater frequencies. Delta is a dominant brain wave among infants. Delta waves tend to decline during adolescent years by about 25%. In the elderly / senior citizens, they may not produce any delta activity even during sleep – it may be entirely absent from the EEG.
Disorders: Individuals with brain functioning problems may have irregular delta activity. For example, in some cases of ADHD, brains of individuals are producing abnormally large quantities of delta and theta waves when they should be producing faster beta waves. Other problems including paranomnias involve delta irregularities. Sleep walking and sleep talking tend to occur while delta production is high. Additonal diseases and disorders in which delta plays a role include: diabetes, Parkinson’s and schizophrenia. Various brain injuries may result in an individual producing excessive delta brain waves – making concentration and learning extremely difficult.
Gender differences: On average, females have been shown to have more delta wave activity than males. This holds true across all species of mammals, but noticeable differences do not typically appear until early adulthood (e.g. 30’s or 40’s in humans). Men tend to show significantly more restricted delta wave activity than females. Some hypothesize that this may be in part due to the fact that men tend to have larger skull sizes.
Production: Delta waves typically are found in the thalamus or in the cortex. During sleep, delta waves tend to be dominant in the right hemisphere of the brain. Delta waves are also thought to be dominant in the thalamus to help coordinate reticular formation. Lesions to the brain are thought to disrupt delta production.
Learning disabilities: If a person’s brain is producing large quantities of delta activity while they are awake, they may experience learning disabilities or ADHD. The delta frequency range may make it extremely difficult for an individual to focus. It has been found that individuals with various types of brain injuries tend to produce delta during waking hours – making it extremely difficult for the individual to perform conscious tasks.Unconscious mind: Delta waves are linked with the unconscious – meaning responses that cannot be consciously controlled. Bodily functions that are regulated unconsciously include the beat of the heart, breathing, kidney function, digestion, etc. Every process that is unconsciously regulated is associated with delta activity.Delta Brain Waves ResearchAge affects delta: In general, the younger an individual is, the more likely they are to have higher amounts of delta. As we age, delta activity tends to significantly decline. Newborn babies tend to have a lot of slow wave activity simply because their brains have not developed enough to facilitate conscious thought. As the infant continues to grow and their brain evolves, delta activity is reduced, and their brain waves tend to speed up to greater frequencies. Delta is a dominant brain wave among infants. Delta waves tend to decline during adolescent years by about 25%. In the elderly / senior citizens, they may not produce any delta activity even during sleep – it may be entirely absent from the EEG.Disorders: Individuals with brain functioning problems may have irregular delta activity. For example, in some cases of ADHD, brains of individuals are producing abnormally large quantities of delta and theta waves when they should be producing faster beta waves. Other problems including paranomnias involve delta irregularities. Sleep walking and sleep talking tend to occur while delta production is high. Additonal diseases and disorders in which delta plays a role include: diabetes, Parkinson’s and schizophrenia. Various brain injuries may result in an individual producing excessive delta brain waves – making concentration and learning extremely difficult.Gender differences: On average, females have been shown to have more delta wave activity than males. This holds true across all species of mammals, but noticeable differences do not typically appear until early adulthood (e.g. 30’s or 40’s in humans). Men tend to show significantly more restricted delta wave activity than females. Some hypothesize that this may be in part due to the fact that men tend to have larger skull sizes.Production: Delta waves typically are found in the thalamus or in the cortex. During sleep, delta waves tend to be dominant in the right hemisphere of the brain. Delta waves are also thought to be dominant in the thalamus to help coordinate reticular formation. Lesions to the brain are thought to disrupt delta production.
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