Final answer:
Learning new information or practices leads to the formation of new neural pathways and potentially neurogenesis, with the hippocampus being a primary site for these changes. Factors like exercise can enhance neurogenesis and learning, whereas stress can inhibit it. The brain's plasticity allows for such adaptation and is crucial in processes like relearning a language.
Step-by-step explanation:
Learning something new or repeating something over and over leads to the creation of new neural pathways and, in certain parts of the brain, can even result in neurogenesis. Neurogenesis is the process by which new neurons are formed in the brain. This is particularly noted in the hippocampus, an area deeply involved in learning and memory. For instance, mammals, including humans, can generate about 1,000 new neurons daily within the hippocampus. While many of these neurons will not survive, those that do are instrumental in the formation of new memories and learning processes.
The ability to learn is influenced by several factors, including habituation, observational learning, and conditioning. When engaging in habituation, individuals become accustomed to a stimulus over time, while observational learning involves acquiring new behaviors by watching others. Furthermore, research suggests that activities such as exercise can promote neurogenesis, offering a positive impact on learning, while stress can decrease it, negatively affecting the learning process.
Synaptic plasticity is also a key element in how the brain integrates new information. This form of neural adaptability allows the brain to reorganize itself by forming new neural connections throughout life. An example of learning involving synaptic plasticity is relearning a language, as in the case of Whitney reacquainting herself with Spanish. The brain's ability to relearn and adapt demonstrates not only the potential for ongoing neurogenesis but also the broader concept of brain plasticity.