Understanding Drugs and Behaviour

Understanding Drugs and Behaviour

Language: English

Pages: 336

ISBN: 0471986402

Format: PDF / Kindle (mobi) / ePub

Why are some drugs highly addictive? What exactly are the effects of different types of psychoactive drugs? How can they produce such dramatic effects on mood, cognition, sensation, awareness, health and well-being?

Understanding Drugs and Behaviour describes in detail how the main psychoactive drugs can alter brain chemistry and modify behaviour. Written by experienced lecturers with a high level of research expertise, all the main drugs used in today’s society are included, such as alcohol, nicotine, cannabis, LSD and Ecstacy, opiates, CNS stimulants, as well as clinical medications.

 Teaching and learning features include:

  • Chapter overviews     
  • In-depth core material   
  • End of chapter questions   
  • Key references
  • Extensive glossary     
  • Journals and websites of interest

 This introductory text will be of use to students of psychology, behavioural sciences, health sciences, nursing, physiology and pharmacology.

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resultant reduction in salivary gland activity generates feelings of ‘‘dried mouth’’, impaired muscular control in the eye resulting in blurred vision and other parasympatholytic effects include tachycardia, urine retention and constipation. Many other side effects are caused by the blocking of cholinergic receptors in the CNS: cognitive impairments, dyskinesias and hypomania or mania (the so-called ‘‘switch’’ phenomenon). Blocking a1-adrenoreceptors results in postural, or orthostatic,

sufficient period of time, and appreciably improve the risk benefit ratio for antidepressant drug treatment. Benefits such as reduced toxicity in overdose, long-term safety and efficacy in the prevention of relapse and recurrence of depression, improved quality of life and decreased accident liability all have cost implications which must not be neglected when considering the relative cost of medication. (LANE et al., 1995) This certainly is a glowing endorsement of the SSRIs. Indeed, one of

central and peripheral nervous systems. Nociceptor A pain receptor. Node of Ranvier The small gap between adjacent segments (internodes) of the myelin sheath. Nootropic A drug that enhances memory. Noradrenaline A catecholamine neurotransmitter also known as norepinephrine. Norepinephrine See Noradrenaline. Glossary 247 Nortriptyline An active metabolite of amitriptyline. Nucleus accumbens A forebrain structure innervated by a branch of the mesolimbic dopaminergic tract,

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Vetulani J and Sulser F (1975). Action of various antidepressant treatments reduces reactivity of noradrenergic cyclic AMP-generating system in limbic forebrain. Nature, 257, 495–496. Villareal DT and Morris JC (1998). The diagnosis of Alzheimer’s disease. Alzheimer’s Disease Review, 3, 142–152. Viswesvaran C and Schmidt FL (1992). A meta-analytic comparison of the effectiveness of smoking cessation methods. Journal of Applied Psychology, 77, 554–561. Volpe BT and Hirst W (1983). The

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