It is important to recall that neurons communicate with each other by releasing neurotransmitters across the synapse. Virtually all psychoactive drugs cause psychological or behavioral changes by altering how neurons communicate with each other. We call these psychoactive drugs, and almost everyone has used them at some point (yes, caffeine counts). If a drug changes the way you feel, think, or behave it is often doing so by acting on your brain and other parts of your nervous system. In this chapter, we will provide an overview of some of these topics as well as discuss some current controversial areas in the field of psychopharmacology. Finally, understanding something about the actions of drugs of abuse on the nervous system and the way they are processed by the body can help us understand why some psychoactive drugs are so likely to be abused. The pharmacological treatments used to treat psychiatric conditions such as schizophrenia or depression have undergone amazing development since the 1950s, and the drugs used to treat these disorders provide clues to what is happening in the brain of individuals with these conditions. For example, the pharmacological treatment of certain neurodegenerative diseases such as Parkinson’s and Alzheimer's disease tells us something about the disease itself. Understanding some of the basics about psychopharmacology can help us better explain a wide range of issues that interest psychologists and others. Psychopharmacology is the study of how drugs affect how we think, feel, or behave most often through their actions on the nervous system. The crib we bought for our child had Allen screws and they just didn't seem to hold the structure together well at all.\) You can find Allen screws used a lot in crib manufacturing these days, which I think doesn't really strengthen a crib. Most Allen Keys come in sets that feature a variety of sizes this is the same aspect used with a normal wrench set, however, it is much, much cheaper (as the article states). You might want to research that aspect of your crib before you decide to use it long-term. A few months later there was a recall on it because of that fact - so it wasn't just me. We also had a crib for one of our older children that had Allen screws, but seemed a little flimsy after it was all put together. July 22, - I hope that you bought a crib from a reputable company. Of course, with the way that Allen wrenches are designed, it's supposed to make a screw more accessible than with a regular screwdriver, so I can see that point. Sometimes the Allen screw is just in the wrong place and your hand just can't fit where it's supposed to screw in. I find Allen keys to be difficult to use. How are allen keys different than the screwdrivers with detachable heads of the same shape? I have a screwdriver set with many heads and some are shaped in stars and hexagons, circles, octagons, etc. Redesigning doesn't always produce the best results! - Ron O (England) It was a model 90, superseded in 2004, but the traditional nuts and bolts tightening stays the way it is wanted. Anyway, the base broke so I had to ditch the lamp, but was lucky enough to get another for a song at a jumble sale. I bought an Anglepoise lamp about six years ago, but the tightening with Allen keys didn't seem to stay tight enough.
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