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Early Theories of Memory (Ancient Greece - 19th Century)

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Early Theories of Memory (Ancient Greece - 19th Century)

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Aristotle and early philosophers speculated on memory as an abstract process

When: 4th century BCE

Where: Greece

Context: Early ideas viewed memory as an ethereal, spiritual phenomenon rather than a biological process.

Sources: https://www.bloomsbury.com/in/philoponus-on-aristotle-on-the-intellect-de-anima-348-9781780934389/

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First Studies of the Nervous System (1600s-1800s)

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First Studies of the Nervous System (1600s-1800s)

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Santiago Ramón y Cajal’s neuron doctrine

When: 19th century

Where: Spain

Context: Cajal’s research helped establish that the nervous system is composed of individual neurons, laying the groundwork for later studies on synapses.

Sources: https://www.npr.org/sections/health-shots/2017/01/26/511455876/art-exhibition-celebrates-drawings-by-the-founder-of-modern-neuroscience

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Galen identified specific brain regions and connected them to bodily functions, such as movement and cognition.

When: 200 AD.

Where: Roman Empire.

Context: Galen’s ideas about brain localization influenced later theories, including those of the ventricles' role in cognition and sensation. Sources: https://www.alamy.com/journal-of-anatomy-the-bulbo-septum-fig-1diagram-showing-the-relations-at-an-early-stagebetween-the-anriculo-ventricular-opening-and-ventriclesthe-cavity-of-the-bulb-and-the-bulbo-ventricular-ridgethe-distal-cushions-of-the-bulb-are-shown-in-a-moredifferentiated-state-than-they-really-exhibit-at-this-stage-ventricular-ridge-elongated-and-spur-like-on-section-owing-to-thepresence-of-this-ridge-the-cavities-of-bulb-and-ventricle-become-continuousto-the-right-of-the-position-occupied-by-the-auriculo-ventricular-openingthe-interventricular-septum-is-very-low-leaving-a-wide-pass-image336867999.html

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Humors and the Brain: Galen's Medical Approach

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Humors and the Brain: Galen's Medical Approach

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Galen expanded on the humoral theory, linking imbalances to brain disorders.

When: 200 AD.

Where: Roman Empire.

Context: This theory shaped early neurology by connecting mental health to physiological imbalances, such as "black bile" leading to melancholy. Source 1: https://www.nlm.nih.gov/exhibition/shakespeare-and-the-four-humors/index.html

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Galen’s Enduring Legacy: A Guide Through the Middle Ages

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Galen’s Enduring Legacy: A Guide Through the Middle Ages

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Galen’s teachings were preserved and used as the medical standard during the Middle Ages.

When: 500–1500 AD.

Where: Europe and the Islamic World.

Context: Galen’s writings on brain function and anatomy remained the gold standard for centuries, even influencing scholars in the Islamic Golden Age and Renaissance.

Source: https://www.textmanuscripts.com/medieval/galen-catalan-ars-medicinae-141438

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From Galen to MRI: Mapping the Brain Today

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From Galen to MRI: Mapping the Brain Today

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Modern brain imaging techniques trace their conceptual roots back to Galen’s early anatomical observations.

When: 21st Century.

Where: Global neuroscience research.

HOW: Today’s advanced imaging methods allow precise mapping of brain regions and functions, fulfilling Galen’s early vision of understanding brain localization. Sources: https://newatlas.com/medical/mri-scan-machine-learning-diagnose-alzheimers-dementia/

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Galen, the Father of Experimental Physiology.

He Lived from 129–216 AD.

His groundbreaking work on brain anatomy and function makes him the perfect guide to this exhibit, providing insights into how early theories laid the foundation for modern neuroscience. Sources: https://www.britannica.com/biography/Galen