Neurociencia Cognitiva Gazzaniga.pdf [portable] 【2027】

📘 Content Outline: Neurociencia Cognitiva – Gazzaniga

• The Key Experiment: A picture of an object is flashed to the left visual field (processed by the right hemisphere). The patient cannot say the name (left hemisphere controls speech), but they can pick up the object with their left hand.
• The Interpreter: Gazzaniga proposed that the left hemisphere has a specific module that takes disparate actions and weaves them into a coherent story. This is your "inner voice."

Cognitive neuroscience is an interdisciplinary field that seeks to understand the neural basis of cognition, including perception, attention, memory, language, problem-solving, and decision-making. The field combines techniques from psychology, neuroscience, computer science, and philosophy to investigate how the brain processes information.

Epilogue: The Legacy

What does the patient say? Without hesitation, confidently: "Oh, that’s simple. The chicken claw goes with the chicken head, and you need a shovel to clean out the chicken shed."

Executive Functions (The Manager, Not the CEO):

The frontal lobes do not "command" the brain. Instead, they bias competition. They send signals that say, "Pay more attention to the task at hand and ignore the TV." The Wisconsin Card Sorting Test is the classic tool: Patients with frontal damage keep sorting cards by the old rule (e.g., color) even when told they are wrong, because they cannot switch cognitive sets.