In the brains of tetrapod vertebrates, the basal ganglia refer to a group of interconnected subcor-tical nuclei: striatum, substantia nigra, globus pallidus (nucleus entopedunculus in anurans), and subthalamic nucleus. Neurotransmitters include dopamine, glutamate, and gamma-amino-butyric-acid. Participating in motor control, attention, and reinforcement learning, the basal ganglionic nuclei belong to the fundamental processing units of the tetrapod brain. Comparative studies of the anatomic connections , the chemoarchitecture and the development of the basal forebrain suggest that tetrapod vertebrates share a common pattern of basal ganglia organization. Every computer program can be written using only three kinds of control structures: an assignment statement, a conditional, and a looping construct. The basic assignment statement using the notation of the programming language Pascal is := (e.g., x: = 7); whereas in the programming language C or one of its derivatives , the assignment symbol is = (e.g., x = 7). The variable, which is a name for a location in memory , must appear on the left, whereas the value that will be stored at that memory location appears on the right. A purely functional programming language such as Haskell does not contain assignment statements; rather, the programmer uses functional composition (see terms in Mathematics), and the final value returned is the answer to the problem, which is specified as a conditional. In many programming languages, the conditional is expressed as if/else,where the else part may be empty. This basic construct corresponds to the way that a programmer might express his A. Runehov, L. Oviedo (eds.), Encyclopedia of Sciences and Religions,
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Feierman*, J. R. (2013). Biological Anthropology and Human Ethology. In Encyclopedia of Sciences and Religions (pp. 221–228). Springer Netherlands. https://doi.org/10.1007/978-1-4020-8265-8_1359
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