Class 11 Psychology - TAMILNADU
The Bases of Human Behaviour
The chapter 'The Bases of Human Behaviour' in Class 11 Psychology explores the biological and socio-cultural foundations that shape why we act, think, and feel the way we do. Students will study the intricate roles of the nervous system, the endocrine glands, and genetic makeup as biological roots. Simultaneously, it examines how culture, socialization, and our environment mould human actions. For Tamil Nadu Samacheer Kalvi board exams, this chapter is crucial as it lays the scientific groundwork for understanding complex psychological processes and carries significant weight in both objective and descriptive question formats.
Start Learning FreeKey Concepts
Central Nervous System (CNS)
Comprises the brain and the spinal cord, acting as the main control center for processing information and coordinating bodily responses.
Endocrine System
A network of ductless glands like the pituitary, thyroid, and adrenal glands that secrete hormones directly into the bloodstream to regulate growth, metabolism, and emotional states.
Neurons
The basic structural and functional units of the nervous system specialized in transmitting electrochemical signals across the body.
Heredity
The transmission of genetic traits and physical characteristics from parents to offspring through genes, providing the biological blueprint for behavior.
Culture and Socialization
The shared beliefs, values, and practices of a group (culture) and the lifelong process of acquiring these societal norms (socialization) that heavily influence behavior.
Important Formulas
Board Exam Info
In the Tamil Nadu (Samacheer Kalvi) Class 11 Psychology board examinations, this chapter typically carries around 10 to 15 marks. Questions commonly include 1-mark objective queries, 2-mark and 3-mark short answers defining key neural structures or endocrine glands, and 5-mark descriptive essays explaining the biological and cultural bases of behavior.
Frequently Asked Questions
What is the difference between the Central Nervous System and the Peripheral Nervous System?
The CNS consists of the brain and spinal cord which process information, while the PNS consists of all other nerves connecting the CNS to the rest of the body.
How do hormones affect human behavior?
Hormones secreted by endocrine glands travel through the blood to influence mood, energy levels, stress responses, and overall growth and development.
Is human behavior shaped more by biology or by culture?
Psychologists agree that behavior is shaped by both; biology (heredity and brain structure) provides the potential, while culture and environment determine how that potential is expressed.
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