| Course | PS215 Neuroscience |
|---|---|
| Unit | Unit 1 |
| Paper type | Discussion board post |
| Length | About 440 words, 2 pages double-spaced |
| Format | APA 7 discussion post |
| School | Purdue University Global |
| Program | BS in Psychology |
| Updated | October 2026 |
Free sample paper for PS215 Unit 1
The Morning My Father Could Not Find His Words: A PS215 Unit 1 Discussion Post on Behavior With a Biological Basis
PS215 · Unit 1 Discussion Board Post
Posted by [Student Name]
The writer, her father and the classmates are composite; the sources cited are real.
Initial Post
The behavior I want neuroscience to explain happened last spring. My father, Harold, is a retired choir director in Dayton. One Sunday morning he came into the kitchen and tried to ask for coffee, and what came out was a few broken syllables. His right hand would not hold the cup. My mother recognized a stroke from the warning signs she had seen on a hospital poster: a drooping face, a weak arm, trouble speaking. We called 911, and he received a clot-dissolving drug within two hours.
The part I cannot stop thinking about came a week later. A speech therapist asked him to say "happy birthday," and he could not. Then she hummed the tune, and he sang the words clearly, all the way through. A man who could not say my name could sing a song he had led a hundred times.
My father could sing the words he could not say, and I want to understand how a brain allows that.
I know the stroke damaged areas on the left side of his brain involved in language. What I do not understand is why melody gave him access to words that ordinary speech could not reach. I have read that singing may draw more on the right hemisphere (Norton et al., 2009), but I do not know what that means at the level of neurons.
I also want to understand the speed. The doctors kept saying time is brain, and one estimate I found suggests a typical large stroke destroys close to two million neurons for every minute it goes untreated (Saver, 2006). I would like to know why neurons die so quickly without blood.
My question for the class: have you seen a behavior in someone close to you that changed suddenly after an illness or injury, and what did it make you want to understand?
Reply to Tomas
Tomas, your grandmother remembering 1960s song lyrics but not this morning's breakfast sounds like two different memory systems. I wonder whether this course will explain why older memories seem more protected.
Reply to Leah
Leah, the craving you described when you cut back on coffee is a good example. I believe caffeine works by blocking a chemical that makes us feel sleepy, which would explain why stopping makes you feel worse at first.
References
Norton, A., Zipse, L., Marchina, S., & Schlaug, G. (2009). Melodic intonation therapy: Shared insights on how it is done and why it might help. Annals of the New York Academy of Sciences, 1169(1), 431-436. https://doi.org/10.1111/j.1749-6632.2009.04859.x
Saver, J. L. (2006). Time is brain, quantified. Stroke, 37(1), 263-266. https://doi.org/10.1161/01.STR.0000196957.55928.ab
Reading the PS 215 Unit 1 instructions
The first PS215 board asks you to describe a behavior or experience you believe has a biological basis and what you want neuroscience to explain about it. Choose something specific you have observed, in yourself or someone close, and describe it in enough detail that classmates can picture it. Say what you already suspect about the biology and what you do not understand, framed as questions the course might answer. A reputable source helps, but the post is mainly about curiosity. Finish by inviting peers to describe a change they have witnessed. Replies should offer a possible mechanism for a classmate's example, or a question that sharpens it, rather than only sharing a similar story. Protect privacy when describing family members.
How the PS 215 Unit 1 example is put together
The post opens with the kitchen scene, Harold's broken syllables and weak right hand, and the stroke signs his wife knew from a poster. The following week's therapy session supplies the puzzle, a failed spoken phrase followed by the same words sung, under a highlighted line about singing words he could not say. The writer states what she knows, left-hemisphere language damage, and what she does not, citing Norton and colleagues on singing and Saver's estimate of neurons lost per minute. A question invites classmates' own observations. Tomas's reply wonders about two memory systems in his grandmother, and Leah's links her caffeine cravings to a blocked sleepiness signal.
Reading the PS215 Unit 1 grading rubric
On this opening board, instructors look for a concrete behavior and genuine questions about its biology. Posts that describe a general topic, such as how the brain works, earn less than posts built around one observed moment. Stating a tentative explanation shows engagement, and naming what remains puzzling shows the curiosity the course is designed to answer. A source used accurately lifts the post, though it is not the focus. The closing question should invite classmates to contribute their own observations. Replies earn points when they offer a mechanism or a sharper question. Respectful handling of family members' health information is expected, especially when the example involves illness.
PS215 Unit 1 help: mistakes that cost points
Many opening posts choose a topic so broad, such as addiction or memory, that nothing specific can be explained. Others describe a relative's illness in more personal detail than the post needs. Students sometimes state a confident explanation found online without saying what they actually understand. Questions at the end are often yes or no, which ends discussion. Replies tend to repeat that a classmate's story was moving. Before posting, describe one moment you witnessed in two or three sentences, write one thing you think explains it and one thing you cannot explain, and close by inviting peers to bring an example of their own. A post built that way gives the course something real to explain.
Get a PS215 Unit 1 example written to your instructions
Send the Unit 1 prompt and the rubric. A custom post describes a behavior with a biological basis and asks a question neuroscience could answer. It arrives within 24-48h, and the first is free. The paper above is an original model document written by our desk, not a submitted student paper and not an official Purdue University Global document.
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PS215 Unit 1 questions, answered
What behaviors work for the PS215 opening post?
Anything with a plausible biological basis, from caffeine cravings to a relative's memory loss after an illness.
Does the post need a source?
One reputable source strengthens it.
How long are replies?
A few sentences adding a biological explanation or a question.
Where can I find a free PS215 Unit 1 sample paper?
This page holds the complete PS215 Unit 1 post about a composite stroke survivor who could sing words he could not speak, with two replies.
What does the PS215 Unit 1 sample want neuroscience to explain?
Why singing gave the father access to words that speech could not, and why neurons die so quickly when blood flow stops.