Behavioral Psychology

Topics: Psychology, Brain, Ventricular system Pages: 3 (807 words) Published: September 25, 2010
Biological Psychology Paper
Jacqueline Leday
PSY 340
August 24, 2010
Lisa M. Shores

Biological Psychology Paper
Biological Psychology can be defined as the study of the brain, and how the brain functions in relation to human behavior. The assumption that mind and brain are linked is the basis of understanding biological psychology. The two areas which are most relevant to Biological Psychology are Neuroanatomy (study of how parts of the brain are connected) and Neurophysiology (study of how neurons work). Laboratory animals such as rats and non-human primates are used in experiments to better understand human pathology which contribute to providing evidence for the field of study. Starting at the beginning with the theorists that made an impact on biological psychology will give a better understanding of this field. Plato (429-348 B.C.) believed that the brain was the organ of reasoning. His pupil Aristotle disagreed with him. Aristotle felt that the heart was the center of reasoning. The brain function was to cool the blood circulating in the body. Galen (130-200 A.D.) was one of the first writers to propose a theory which were based on the ventricles of the heart. He also believed that the heart was the crucial organ of the body because it provided substance (blood) to the brain. Others expanded on Galen ideas including Nemesius (Bishop of Ernesa) who foresaw that the lateral ventricles were the site for sensory and mental impression. The third ventricle produced the site of reason, and the fourth ventricle was the site for memory. This theory became to be the one of the most popular theories relating to the brain in written history. It has remained unchanged for approximately 1500 years (Wickens, 2005). Rene Descrates (1596-1650) known as the “Father of Psychology” was a french philosopher who believed that the mind and body were two separate entities. He believed that the body was composed of physical matter, and the mind (soul) was independent of...
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