What is Self: Definition and 584 Discussions

The self is an individual person as the object of its own reflective consciousness. Since the self is a reference by a subject to the same subject, this reference is necessarily subjective. The sense of having a self—or self-hood—should, however, not be confused with subjectivity itself. Ostensibly, this sense is directed outward from the subject to refer inward, back to its "self" (or itself). Examples of psychiatric conditions where such "sameness" may become broken include depersonalization, which sometimes occurs in schizophrenia: the self appears different from the subject.
The first-person perspective distinguishes self-hood from personal identity. Whereas "identity" is (literally) sameness and may involve categorization and labeling,
self-hood implies a first-person perspective and suggests potential uniqueness. Conversely, we use "person" as a third-person reference. Personal identity can be impaired in late-stage Alzheimer's disease and in other neurodegenerative diseases. Finally, the self is distinguishable from "others". Including the distinction between sameness and otherness, the self versus other is a research topic in contemporary philosophy and contemporary phenomenology (see also psychological phenomenology), psychology, psychiatry, neurology, and neuroscience.
Although subjective experience is central to self-hood, the privacy of this experience is only one of many problems in the Philosophy of self and scientific study of consciousness.

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  1. B

    Understanding Particle Self-Interference in the Double Slit Experiment

    I was wondering to what extent we understand the self interference of particles in the double slit experiment. More specifically, I have heard that a single particle, acting as a wave can pass through both slits at once and that is what causes the interference. This explanation seems a bit fishy...
  2. T

    Self inductance and superconductivity?

    Homework Statement So in Walter Lewin's Electricity and Magnetism video series: http://www.youtube.com/watch?v=UpO6t00bPb8&feature=relmfu At around 10:00 he says that the resistance in the self inductance is zero because self inductance is superconducting material. However is it possible...
  3. H

    Self capacitance of a multi layer coil

    Hi everyone, I am trying to figure out how to correctly calculate the self capacitance of a multi layer coil. I have been trying to find an online calculator or software which can do this but I don't really know where to look. Just hoping someone here can give me some insight. Any help...
  4. T

    Self Complementary Graph Proof

    Homework Statement Suppose G \cong\bar{G} and that n = |V(G)|=4k+1 for some k \ge 1. Suppose that the degree sequence of G is d_{1}\ge d_{2} \ge ... \ge d_{n} Prove that d_{i}+d_{n-i+1}=n-1 for each i=1, 2,...,n Homework Equations I don't think there are any. The Attempt at a...
  5. M

    Dover math books for self study

    I graduated with a BA in Classicals and didn't take any math in college. Now that I've been out for a few years I find that I have an overwhelming desire to learn how things work in a way I can describe mathematically (it's hard to explain, hopefully you understand) and am starting some self...
  6. S

    Self consistent equation by FT

    Homework Statement Magnesium atom is introduced into a Copper crystal where electrons are free to move in a fermi sphere until equilibrium is reached. Assuming the mean field (slowly varying) description applies with potential energy eψ(r) the energy given by ε(r,p) where the dist of...
  7. MTd2

    Is QEG's asymptotic safe point an example of self criticality?

    According to wikipedia: "In physics, self-organized criticality (SOC) is a property of (classes of) dynamical systems which have a critical point as an attractor. Their macroscopic behaviour thus displays the spatial and/or temporal scale-invariance characteristic of the critical point of a...
  8. K

    Learn Geometry & Topology: Self-Study Tips & Strategies

    Since there no teacher doing geometry or topology in our school,I have to learn some course all by myself.But I often come upon problems when I'm reading the book or doing the exercises.In some exercises,I even don't know which part of book can be used to solve it. So I want to ask here hope...
  9. C

    Mechanism for self mode locking in Ti:sapphire

    I am a PHD student doing research on Ti:sapphire lasers so that when I enter the lab I have a full understanding of workings of the laser. I was wondering if anyone could go over the finer points of the mechanism of self mode locking in a Ti:sapphire laser? I have a picture in my head that...
  10. X

    Advice on what math I should self study and take next semester.

    Alright so far I took calc1-3 which included vector calc and I'm currently taking LA. The LA class is only a quarter long and afterward I'm taking DE and Complex variables. I'm wondering what math should I take next year. I'm thinking either taking Analysis or Abstract Algebra. What do you think...
  11. C

    Reusable Fuel Ubop Self Contained Transit Drive

    This is not a perpetual motion machine; the fusion power plant will run out of nuclear power to provide electricity to power it; and this type of transit drive works in theory by having two combustion chambers positioned parallel to the spacecraft 's width and perpendicular to its length. Each...
  12. C

    Self inductance of a very thin conductor, is infinity?

    Hi, I was reading some text and came across this problem, the problem is also mentioned in this link from Wiki: http://en.wikipedia.org/wiki/Inductance#Self-inductance They said that it is because the 1/R now becomes infinite, this is what I'm confused about. From my understand, there would be...
  13. N

    Studying Self Studying Physics/Precalc/Calc help

    I want to start selfstudying such subjects. I don't know where to start. I don't know any calculus or precalculus. I've taken a basic algebra and geometry class that went a tiny bit into trig. I have taken a basic physics class in 10th grade. I'm 16 years old in 11th grade as an exchange...
  14. A

    Building a self contained device for project

    Homework Statement We must build a self contained device which can pass through a standard doorway. It will start .5 metres from the egg cup with an egg in it this egg cup is then .5 metres from a cart that the egg has to pass through and continue going to a target on the other side of the...
  15. S

    Can one learn Q.Physics self taught?

    Hey I was curious if it is entirely possible to learn quantum physics up to current knowledge without having to go to university with the right books and material found through out the net/libraries. I'm more of a interested person than some one seeking a career into the subject. So it...
  16. B

    What Topics Should an Undergraduate Study in Math and Physics for Self-Study?

    Folks, I am currently studying undergraduate final year degree in mathematics. I have covered QM's, PDE's and currently studying Functional analysis and vector calculus/complex variables. I hope to finish the degree middle of next year, however I would like to continue studying...
  17. T

    Top Calculus Books for Self-Study: Larson's Alternative 6th Edition and More!

    I cuurently have Larsons Calculus alternative 6th edition and was woundering what would be some other good calculus books to purchase, how about calculus for dummys too? I'm self studying so what sort of books would be best for this
  18. T

    Studying Self-Studying Calculus: Tips for Success from a High School Book

    Could anyone give me some tips on self studying? I have a Calculus book from my high school ( I am alloud to use it for the remainder of the year...but I am NOT in calculus) So could anyone give me some tips on selfstudying skills, it would be extreemly helpfull, I just started on chapter 1 and...
  19. B

    Schools University calculus course self study in five weeks

    I dropped out of college five years ago, before my studies really had begun. My original plan was to start again my engineering physics studies in January but my problem is that some of the courses available for spring are continuing on the fall studies. Now I got a bit surprising turn of...
  20. S

    Programs Paying for a self funded PhD in the UK working for the uni.

    Hello, This is a bit of a random question, but I thought I would ask it here. I am interested in doing a PhD in engineering in the UK. However, of course, funding is extremely difficult to come by. I was having a conversation with a friend who said that her cousin paid for his by working...
  21. V

    Self adjoint differential equation?

    Hello everyone, could you please make me understand, what are self-adjoint equations? and how can we convert a differential equation into a self-adjoint form? Thank you.
  22. M

    12v dc motor speed self limited?

    Fellow Engineering Lovers, Being a mechanical with limited electrical I must turn to the electron masters for answers. I have a PM brushed DC 12 V fan motor on of a standard electric cooling fan on a car radiator. My calculation comes out to be about 90 watt. I also have PWM 12-24 power...
  23. 0

    Electromagnetics (Difference in self induction in AC and DC)

    Hello folks. I have an electromagnetics quiz tomorrow and I am kind of nervous. I can't seem to grasp the concept of induction, more importantly how it differs in AC and DC circuits. So in lay terms: Induction is production of electric current across a conductor which is moving through or...
  24. L

    Self leveling crane pallet fork

    I’ve been looking at this “Self leveling pallet fork” which is supposed to, as the name suggests, keep itself perfectly level regardless of the load applied. I guess I can see how it would adjust itself depending on the weight, but I just can’t wrap my head around how it can possibly adjust...
  25. T

    University Physics by Young & Freedman - Self Study

    Am I being lulled by a basic text? I am re-studying basic physics and calculus for a run at a physics degree. I am using the Stewart text for calculus and I find it challenging. I am using the Young and Freedman physics text, and I find the calculus-based portions incredibly basic. I am...
  26. Y

    Self balancing bicycle prototype using flywheel(reaction wheel)

    Hello everybody, Well I'm a level 4 mechatronics students from Mauritius and doing my project on a self balanced bicycle which uses a flywheel to achieve this.A better view of it can be seen on: OR EVEN ON: http://www.youtube.com/watch?v=0312BNqIBFI&feature=related...
  27. M

    Physics Textbook for Self Study?

    Hey. I want to get up to an SAT II level of physics so I can skip it next year and go straight to AP Phys. Only thing is, I don't know of any textbook that would work well. Which textbooks would you guys recommend to get to the sufficient level of physics so I can test out of it? (In my school...
  28. E

    Self Study experts, your assistance is needed.

    [1] When self studying, do you memorize vocabulary words and things like that? This isn't like taking a course where the teacher tells you what to memorize and what will be on the test. When self studying how do you separate the stuff? Or do you literally study the material "inside out" as in...
  29. A

    Build Self-Propelled Car to Go 1m Horizontally

    Homework Statement hi! first off, thanks for viewing this. I wasn't sure if this would be the right place to post for help, but it's for an engineering challenge so I didn't know where else to go. Also, I'm really sorry if this is a repeat thread, I don't really have time to read through...
  30. KrisOhn

    Getting Over Procrastination & Improving Self Discipline

    Hey guys, I'm usually not this candid but I need some help. I am looking for suggestions on things to do to improve my self discipline. I've never really had strong self discipline, I have always had trouble with procrastination and slacking off when effort should be put in. I have a weak...
  31. K

    Self study topics and material for mathematics

    First of all, i would like to appologise if there is already a topic related to this on which i could have posted. I was not able to find it but also only skimmed through the search results. Mathematics has not been one of strong points. In middle school i struggled with it - i didn't spend any...
  32. X

    Schools Self teaching computer programming vs taking a credit class at college

    I'm not really a big fan of computers but I understand there importance to physics. My school offers computer programming classes for engineering and science majors but I don't want a extra formal class that isn't required. Do you think it would be a good idea to self learn all of the programming?
  33. M

    Self-Teaching Applied Math & Engineering: Advice Needed

    I'm going into my second year of applied math and engineering. My problem is that my degree requirements do not allow me to take any courses on quantum mechanics. Therefore, I am thinking about teaching myself from a textbook or something of that sort. I was wondering if someone could give...
  34. E

    Academic Confusion (Attempting to determine what to self study)

    (there is a tl;dr version a bit further down if you're feeling lazy. I don't want to bore you, but I do want an accurate representation of what I know and what I intend to learn. It's not very impressive, but it is accurate as far as I can tell.) I've been researching all the different...
  35. G

    Studying Hard Time self studying Principles of Quantum Mechanics

    Hi, I'm currently self studying "Principles of Quantum Mechanics" by R. Shankar. (Its prep for research, a Prof. recommended the book.) I have only done 2nd year of intro to QM which only covers 1st few chapters of griffiths. (Know multical) I find myself having a hard time going to...
  36. A

    News Chantrel hunting as self healing

    We all need to come to terms with the terrible ordeal our country have been through; for the relatives of our 77 dead, the almost 100 wounded and the 500+ terrified youths who survived physically unscathed, such processes of healing may take years, if they ever can be said to heal. For me...
  37. R

    Medical Are thoughts self contained, or do they emit indications of their production?

    let me preface: i know nothing about neuroscience. it seems that at a fundamental level, everything is either detectable, or you can theorize about ways to detect it. shouldn't particles (neurons or whatever) in the brain emit waves, or any kind of signal, that indicate their interactions...
  38. M

    Where to Begin with Self Study?

    I'd like to study math on my own at home so that it will make me a better student of mathematics. I am in college and have recently finished Calc II. I got an A in both calc 1 and 2 but yet I am unsatisfied with my knowledge and skill with the subject. My goal is to prepare myself for the...
  39. T

    Math classes to self study physics

    I will be attempting to get a PhD in statistics eventually though I have yet to get my BS, however, in the mean time I have a few electives I need to fill and I want them to help me in my self study of relativity and quantum mechanics. I will not be surpassing a Master's knowledge of these areas...
  40. N

    Advice on Self Teaching Mathematics Please

    When I self-teach myself mathematics or physics for that case, I like to run through every single problem in the chapter. The outcome... teriible terrible pace... Is this necessarily a bad thing or a good thing? How do you guys study mathematics? In need of advice. Thank you.
  41. R

    Things that self collapse or self measure

    Can you give example of systems that self collapse? For example, is radioactive decay an example of self measurement? How about 13 billion years ago when stars were just being formed, is it an example of self measurement? Because I can't imagine how stars can form when all things are in...
  42. H

    Any recommendations for a Precalc textbook for self-study?

    Hi, I'll be beginning my high school sophomore year in August and will be taking Precalc in school, but, because I want to start studying physics seriously, I thought it would be a good idea to take initiative and get a solid foundation in the required math before classes start (an entire...
  43. S

    Self studying little Spivak's, stuck on Schwartz ineq. for integrals

    Homework Statement In an effort to keep me from spending all summer lying on the couch, I recently started reading Michael Spivak's Calculus on Manifolds; while working on problem 1-6 I got stuck on a technical detail and I was wondering if anyone could provide a little insight. Problem 1-6...
  44. S

    Self studying little Spivak's, stuck on problem 1-6

    In an effort to keep me from spending all summer lying on the couch, I recently started reading Michael Spivak's Calculus on Manifolds; while working on problem 1-6 I got stuck on a technical detail and I was wondering if anyone could provide a little insight. Problem 1-6 says: Let f and g...
  45. C

    AP Physics C Mech. and E&M self study

    Hey so I'm trying to self study for both AP Physics exams for May 2012, and I've been going through halliday & resnick 7th ed. as a text, however, I feel that this book isn't helping me so much for the mechanics side of things (as I haven't begun to study E&M stuff yet) for two reasons. First...
  46. A

    Self Adjoint and Anti-Self Adjoint questoin

    I'm having trouble showing that any normal linear transformation T is the sum of a self-adjoint transformation T1 and anti-self adjoint linear transformation T2, (so T=T1+T2) so that T1 and T2 commute. Anti-self adjoint being <Ta,b>=-<a,Tb>. Specifically I'm not sure how to use the information...
  47. F

    Special Relativity textbook recommendation needed for self study

    Hi, I'm in my second year of my degree in Physics specialising in Theoretical Physics. My second year is coming to an end now and next year we will begin a course called Advanced Classical Physics (ACP) which will introduce Lagrangian and Hamiltonian mechanics as well as SR and...
  48. B

    Self Energy of Charges: Explained

    can somebody explain about this self energy??
  49. K

    Want to self study highschool physics

    Hi, I am currently in high school (Year 9) in Australia. I would like to self study high school physics so I can prepare for my HSC earlier. I finished all the year 9 maths and I'm currently up to quadratic formula. I have yet to do curves and logarithms. Can you please recommend me any...
  50. D

    New here, need advice on self study, thanksPS anyone here from UTK

    I am a student @ UK COE in Lexington. My original plan was to complete my sophomore year @ UK and then transfer to UT Knoxville to do NucE. I live about 60 miles south of Lexington and have come to realize I cannot afford the gas in the fall to go to UK. I have been forced to register at a...
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