Lecture

Building Neural Networks: Assembly Strategies

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In course

NX-450: Computational neurosciences: biophysics

The course introduces students to a synthesis of modern neuroscience and state-of-the-art data management, modelling and computing technologies with a focus on the biophysical level. ...

Description

This lecture focuses on assembling the building blocks of neural networks, including ion channels, morphologies, and connections, to create a functional network. Different strategies for defining and populating the space with neurons are discussed, such as arbitrary volumes, atlas-based volumes, and simplified volumes. The challenges of setting correct parameters for volume geometry and cell positioning are explored, along with the trade-offs between experimental constraints and model reusability. The lecture also covers the use of synthetic cells and the integration of experimental data to optimize parameters. Various assumptions and strategies for dealing with missing data in network modeling are presented, emphasizing the importance of explicit assumptions and model validations.

Instructors (2)

Felix Schürmann

Felix Schürmann is co-director of the Blue Brain Project and involved in several research challenges of the European Human Brain Project. He studied physics at the University of Heidelberg, Germany, supported by the German National Academic Foundation. Later, as a Fulbright Scholar, he obtained his Master's degree (M.S.) in Physics from the State University of New York, Buffalo, USA, under the supervision of Richard Gonsalves. During these studies, he became curious about the role of different computing substrates and dedicated his master thesis to the simulation of quantum computing. He studied for his Ph.D. at the University of Heidelberg, Germany, under the supervision of Karlheinz Meier. For his thesis he co-designed an efficient implementation of a neural network in hardware.

Armando Romani

Official source

Related concepts (32)

Romani diaspora

The Romani people have several distinct populations, the largest being the Roma and the Calé, who reached Anatolia and the Balkans in the early 12th century, from a migration out of the Indian subcontinent beginning about 1st century – 2nd century AD. They settled in the areas of present-day Turkey, Greece, Serbia, Romania, Croatia, Moldova, Bulgaria, North Macedonia, Hungary, Albania, Kosovo, Bosnia and Herzegovina, Czech Republic, Slovenia and Slovakia, by order of volume, and Spain.

Romani society and culture

The Romani people are a distinct ethnic and cultural group of peoples living all across the globe, who share a family of languages and sometimes a traditional nomadic mode of life. Though their exact origins are unclear, central India is a notable point of origin. Their language shares a common origin with, and is similar to, modern-day Gujarati and Rajasthani, borrowing loan words from other languages as they migrated from India. In Europe, even though their culture has been victimized by other cultures, they have still found a way to maintain their heritage and society.

Romani language

Romani (ˈrɒməni,_ˈroʊ-; also Romany, Romanes ˈrɒmənɪs, Roma; rromani ćhib) is an Indo-Aryan macrolanguage of the Romani communities. According to Ethnologue, seven varieties of Romani are divergent enough to be considered languages of their own. The largest of these are Vlax Romani (about 500,000 speakers), Balkan Romani (600,000), and Sinte Romani (300,000). Some Romani communities speak mixed languages based on the surrounding language with retained Romani-derived vocabulary – these are known by linguists as Para-Romani varieties, rather than dialects of the Romani language itself.

Romani people

The Romani, also spelled Romany or Rromani (ˈroʊməni or ˈrɒməni ), colloquially known as the Roma (: Rom), are an Indo-Aryan ethnic group who traditionally lived a nomadic, itinerant lifestyle. Linguistic and genetic evidence suggests that the Romani originated in the Indian subcontinent; in particular, the region of present-day Rajasthan. Their subsequent westward migration, possibly in waves, is now believed by historians to have occurred around 1000 CE.

Romani Holocaust

The Romani Holocaust or the Romani genocide—also known as the Porajmos (Romani pronunciation: phoɽajˈmos, meaning "the Devouring"), the Pharrajimos (meaning "the Cutting up", "the Fragmentation", "the Destruction"), and the Samudaripen ("Mass killing")—was the planned effort by Nazi Germany and its World War II allies and collaborators to commit ethnic cleansing and eventually genocide against European Roma and Sinti peoples during the Holocaust era.

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