Neuron/synapse Structure and Function – Psychology 12 – Luka Mladenovic

There are 3 types of nerve cells. Represented here is the Interneuron.

Neuron Function 
– Neurons are electrically excitable cells in the nervous system that function to process and transmit information. They are the basic working unit of the brain, a specialized cell designed to transmit information to other nerve cells, muscle, or gland cells. Most neurons have a cell body, an axon, and dendrites. The cell body contains the nucleus and cytoplasm. The axon extends from the cell body and often gives rise to many smaller branches before ending at nerve terminals. Dendrites extend from the neuron cell body and receive messages from other neurons. Synapses are the contact points where one neuron communicates with another. The dendrites are covered with synapses formed by the ends of axons from other neurons. In vertebrate animals, neurons are the core components of the brain, spinal cord, and peripheral nerves.
How action potential moves along the neuron fiber
The nerve impulse is a signal called an action potential. The action potential is an electrical charge that goes down an axon. The neuron can get input from other neurons from neurotransmitters and the action potential goes down the axon when it reaches the axon terminal it stimulates all of the other neurons.

 

The photo below is a photo of the Structure of a Synapse along with its parts labeled.

Synapse Function 

  • It’s the structure that permits a neuron to pass an electrical or chemical signal to another neuron or to the target effector cells a synapse, one neuron sends a message to a target neuron—another cell. At a chemical synapse, an action potential triggers the presynaptic neuron to release neurotransmitters. These molecules bind to receptors on the postsynaptic cell and make it more or less likely to fire an action potential.

How a signal is sent from the axon of sending neuron to the dendrite of receiving neuron

  • The axon of the sending neuron does not actually touch the dendrite of the receiving neuron. there is a tiny gap between them, the synaptic cleft, the neurotransmitters travel across the synapse between the axon and the dendrite of the next neuron.

How the receiving neuron “determines whether or not to send its own action potential.

  • The receiving neuron will determine whether or not to send its own action potential if it sees if it is excitatory or inhibitory. Excitatory is when the stimulates action potential on the receiving neuron and inhibitory is the repress’s action potential on the receiving neuron.

 

Journal #5 – Français 11

Je pense que le jeu était un succès. Je sens très contente et fière du l’effort que mon group a donné à ce projet. Nous avons pris du temps à l’extérieur d’école pour assurer que notre jeu á de la qualité. J’étais aussi contente que le produit du jeu était bon aussi. Notre travail était traduit avec les résultats. Il me sentait comme les autres groups autour de nous ont l’aimé aux causes d’énergie qui venait de leur table. Je pense aussi que nous comme un group étions très bonne. Molly et Brooke sont les très bons amis et pour moi c’était très amusant pour travailler avec un group des personnes qui sont très bons amis et aussi qui travaille très fortes et intelligentes. Je pense qu’un défi était le temps. Il y avait un fois ou Brooke était parti pour 2 semaines et puis Molly n’était pas le pour un weekend et puis je devais travailler sur le devoir des autres classes. Trouver du temps était difficile quelquefois. Mais à la fin, J’aime le jeu et mon groupe. Une très bonne expérience.

Final week Blog post – Luka Mladenovic

Hello,

It’s finals week, so it’s time to cram all that I can into my head so it hopefully sticks.

I found myself having an easy time remembering quadratic equations, trig, and absolute values. I decided to spend a bit more time on a topic that I was having a hard time trying to remember. The first unit which was Arithmetic/geometric series and sequences. I think my blog post from the very beginning came in handy because it was as if I was explaining the topic over again to myself in a way that I understood the most.

I have attached the link to the original YouTube video I made on Arithmetic/geometric series and sequences below.

Thank you for a great year, I feel like the strategy of working and studying in and out of class really helped me speed up my understanding of this course.

Luka.

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