SAMPLE Developmental Psychology

Three Main Brain Divisions: By approximately 25 days into embryonic development, three principal divisions of the brain become discernible. These divisions are:

Hindbrain

Midbrain

Forebrain

Associated with basic life functions such as breathing and heart rate.

Plays a role in sensory processing and motor control.

Responsible for higher cognitive functions, including thinking, reasoning, and emotional responses.

The Nervous System: The nervous system serves as the body’s communication network, comprising all the body’s nerve cells or neurons. It plays a crucial role in transmitting information throughout the body, enabling coordination and response to external stimuli. Central Nervous System (CNS): The central nervous system consists of the brain and spinal cord. It is the core control center for the body, responsible for processing information, decision-making, and sending signals to the peripheral nervous system. Peripheral Nervous System: The peripheral nervous system encompasses the network of nerves that extends throughout the body, branching out from the central nervous system. It is responsible for transmitting sensory information to the CNS and carrying out motor responses. Understanding of the nervous system’s development and function has profound implications for fields such as neuroscience, medicine, and psychology. The intricate workings of the nervous system are central to our ability to perceive, interact with our environment, and engage in complex cognitive processes. B. The Central Nervous System (CNS) The CNS consists of the brain and spinal cord , which are protected by the skull and vertebral column, respectively. Communication within the CNS occurs through electrical impulses sent along neurons , which connect to each other at junctions called synapses .

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