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Welcome to the Toronto Philosophy Meetup! This is a community (online and in-person) for anyone interested in philosophy, including newcomers to the subject. We host discussions, talks, reading groups, pub nights, debates, and other events on an inclusive range of topics and perspectives in philosophy, drawing from an array of materials (e.g. philosophical writings, for the most part, but also movies, literature, history, science, art, podcasts, poetry, current events, ethnographies, and whatever else seems good.)

Anyone is welcomed to host philosophy-related events here. We also welcome speakers and collaborations with other groups.

Join us at an event soon for friendship, cooperative discourse, and mental exercise!

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Feel free to propose meetup topics (you can do this on the Message Boards), and please contact us if you would like to be a speaker or host an event.

(Note: Most of our events are currently online because of the pandemic.)

"Philosophy is not a theory but an activity." 
— from "Tractatus Logico-Philosophicus", Wittgenstein

"Discourse cheers us to companionable
reflection. Such reflection neither 
parades polemical opinions nor does it 
tolerate complaisant agreement. The sail 
of thinking keeps trimmed hard to the 
wind of the matter."
— from "On the Experience of Thinking", Heidegger

See here for an extensive list of podcasts and resources on the internet about philosophy.

See here for the standards of conduct that our members are expected to abide by. Members should also familiarize themselves with Meetup's Terms of Service Agreement, especially the section on Usage and Content Policies.

See here for a list of other philosophy-related groups to check out in the Toronto area.

Please note that no advertising of external events, products, businesses, or organizations is allowed on this site without permission from the main organizer.

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Since 2016, the Toronto Philosophy Meetup has been holding regular events that are free, open to the public, and help to foster community and a culture of philosophy in Toronto and beyond. To help us continue to do so into the future, please consider supporting us with a donation! Any amount is most welcome.

You can make a donation here.

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Week 2: Introduction to Neurobiology in 16 Weeks

Week 2: Introduction to Neurobiology in 16 Weeks

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Online
Online

Introduction to Neurobiology – Week 2
The Primary Motor Cortex and the Descending

Motor Pathways: How the Brain Controls Movement

One of the most remarkable achievements of the nervous system is its ability to transform thought into action.

Every time we reach for a cup, wave to a friend, type on a keyboard, or simply stand up from a chair, billions of neurons cooperate to send precise commands from the brain to the muscles of the body.

In our second meeting of this 16-week Introduction to Neurobiology series, we will begin exploring one of the nervous system's two great communication highways: the descending motor pathways.

Our focus will be the primary motor cortex (precentral gyrus) of the frontal lobe—the region of the cerebral cortex responsible for initiating voluntary movement.

We will follow a motor command as it travels from the motor cortex through the brainstem, into the spinal cord, and finally through the peripheral nervous system to skeletal muscle.

Along the way we will examine:

• The organization and function of the primary motor cortex
• Why the left hemisphere controls most movements of the right side of the body (and vice versa)
• The corticospinal (pyramidal) tract and other major descending pathways
• The structure of the spinal cord and its 31 pairs of spinal nerves
• The difference between upper motor neurons and lower motor neurons
• The function of the ventral (anterior) root as the pathway by which motor commands leave the spinal cord
• How spinal nerves connect the central nervous system with the muscles of the body

Most importantly, we will place this topic within a simple framework that will organize the entire course.

Throughout this series we will repeatedly return to one central idea:

The nervous system is an information-processing system.
The body continually sends information to the brain through ascending sensory pathways, while the brain sends decisions and commands back to the body through descending motor pathways.

During future meetings we will examine the complementary half of this system by studying the primary somatosensory cortex (postcentral gyrus) and the ascending sensory pathways, followed by the auditory system of the temporal lobe, the visual system of the occipital lobe, and selected subcortical systems such as memory.

Rather than treating these topics as isolated parts of anatomy, our goal is to understand how they work together as one integrated system:

Input → Integration → Output

Sensory systems gather information from the world.
The brain analyzes and integrates that information.
Motor systems carry the brain's decisions back to the body.

Whether you are new to neuroscience or simply curious about how the brain controls movement, this session will provide a clear conceptual framework that will make the rest of the course easier to understand.

No previous background in neuroscience is required. Everyone is welcome.

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