Kaplan & Sadock. Neural Sciences 1.2 Principles of brain organization questions with correct answers

which three neural systems are of particular relevance for psychiatric disorders? Answer The thalamocortical system, the basal ganglia and the limbic system. How many nerve cells (neurons) does the human brain conains approximately Answer 10 (11) neurons are composed of four morphologically identified regions, which are.... Answer the Soma (cell body) the Dendrites - processes from the cell body, branch extensively and serve as major recipient zone of input from other neruons the Axon (the axon hillock) - a single process that arises from a specialised portion of the cell body the Axon terminalis (which forms synapses with other neurons) almost all neurons can be considered to be either projection or local circuit neurons Answer projection neurons have long axons (e.g. sensory neurons, motor neurons) local circuit neurons - or interneurons have short axons and process information within distinct regions of the brain in addition to neurons, the brain contains several types of glial cells, wich are at least ten times more numerous than neurons. Name four types of glial cells Answer astrocytes (most numerous class of glial cells) oligodendrocytes