In this lesson, students build on the understandings developed in Lessons 1 and 2 and draw conclusions based on literary elements. Students will: 1  draw conclusions based on information within a text, including determining the theme of a text.
What is seasonal affective disorder (SAD)? Seasonal affective disorder, or SAD, is a type of depression that occurs during the same season each year. You may have SAD if you felt depressed during the last two winters but felt much better in spring and summer. Some people may have SAD during the summer months. Anyone can get SAD, but it's more common in:
Seasonal affective disorder, or SAD, is a mood disorder that is caused by the lack of sunlight during winter. Light enters through the eye, then through the optic nerve and th â¦ rough the suprachiasmatic nucleus, or SCN.The SCN regulates the amount of melatonin released from the pineal gland of the brain.With shorter days and further darkness in the winter, melatonin is released which in effect, causes us to feel drowsy.   Seasonal Affective Disorder (SAD) is a problem which, if I remember  correctly, the experts claim is caused by reduced sunlight caused  by the shorter days starting in fall, winter, and possibly  extending into spring.