Panic attacks and panic disorder may be caused by an imbalance of brain chemicals or a family history of panic disorder. They sometimes happen with no clear cause. Panic attacks may also be brought on by: 1  A health problem such as an overactive thyroid ( hyperthyroidism ), or heart or breathing problems. 2  Depression or another mood disorder. 3  Alcohol abuse. 4  Using too much nicotine or too much caffeine. 5  Taking certain medicines, such as those used to treat asthma and heart problems.
(1) Learning occurs when people construct their own knowledge by connecting new information with prior knowledge; (2) Learning grows out of social interaction; (3) Learning lasts when learners are actively engaged with information. Lectures can be part of a constructivist based lesson as long as it addresses these tenets. Certain practices such as well structured group work, reflection, and think-pair-share are also often reflective of constructivist theory.
Seymour Papert. Constructionist learning is inspired by the constructivist theory that individual learners construct mental models in order to understand the world around them. Constructivism advocates student-centered, discovery learning where students use information they already know to acquire more knowledge.n 2005, Papert, together with Nicholas Negroponte and Alan Kay, launched the One Laptop Per Child initiative to put constructionist learning into practice in the developing world. The aim is to provide $100 laptops to every child in the developing world.