Brain disorders can also have an effect on the display of delta waves. Parkinson's disease, schizophrenia, and narcolepsy are all characterized by changes in delta wave activity. Some drugs and chemicals have been shown to impact the brain's delta waves.
Pruning advanced ornamental trees. Now's the time... Generally speaking an ornamental tree is one that is grown for its decorative looks and not for food. Winter is the perfect time to prune deciduous ornamental trees, as their structures are dormant. Inside the tree though, important processes are underway.
A month-by-month guide to success in the garden. Wait to prune spring blooming shrubs, such as forsythia, weigela, lilac, Spanish broom and bridal wreath, or youâll be cutting off the flowers. Once theyâve finished blooming, then prune them back. January: Itâs bare-root season for fruit trees and more.