any material containing marks, symbols, or signs either visible, partially visible, or ultimately convey meaning to someone, may be in the form of a pencil, ink writing, typewriting, or printing on paper.
Public Document
It is a document created, executed, or issued by a public official in response to the exigencies of the public service, or in the execution of which a public official intervened.
Official Document
It is a document that is issued by a public official in the exercise of the functions of his office.
Private Document
It is every deed or instrument executed by a private person without the intervention of a notary public or any person legally authorized, by which the documents some disposition or agreement is provided evidenced or set forth.
Commercial Document
It is any instrument defined and regulated by the Code of Commerce or other commercial law.
Electronic Document
It exist only in electronic forms such as data stored on a computer network, back-up, archive, or other storage media.
Paper-Based Document
It is produced traditionally or manually.
Questioned Document
These are documents whose origin, contents, or the circumstances and story regarding its production, arouse serious suspicions as to its genuineness, or it may be adversely scrutinized simply because it displeases someone.
Questioned Document Examination
The practice of application of document examination to the purposes of the law. It is otherwise known as Forensic Document Examination.
Forensic Document Examiner
It refers to the person/s who study all aspects of document to determine its authenticity, origin, handwriting, photocopies, inks, and papers. They are also known as Questioned Document Examiner.
Holographic Document
These are any documents that was completely written and signed by one person.
Reference Collection
Material compiled and organized by the document examiner to assist him in answering special questions.
Historical Dating
Involves the verification of age and worth of document or object; approximate the document's age based on the ink and paper
Experts who date, type, source, and/or catalogue various types of paper, watermarks, ink, printing/copy/fax machines, computer cartridges, etc. using chemical methods to check if something is added or removed
Experts who analyze, altered, obliterated, changed, or doctored documents and photos using infrared lighting and other equipment to identify indicators of forgery
Including those produced by manual devices, mechanical devices, and electronic printing devices; also includes those produced by the manufacture of counterfeiters
It is the result of a very complicated series of acts, being used a whole, and a combination of certain forms of visible mental and muscular habits acquired by long-continued painstaking effort. It is also known as the visible speech.
3 Things Involved in Handwriting
Brain
Senses
Motors
Copybook Form
It is the instruction taught in school. It is also known as a particular manual of writing instructions that provides model letter designs for the student to copy. It is the basic form and design of letters which is fundamental to writing system.
Importance of Copybook Form
The nationality of the writer.
The system learned.
The date when the writing was acquired.
To some of the influences that have surrounded the writer.
The impulse to write starts with our senses.
Parts of the Brain Related to Handwriting
Cortex - central part of the brain responsible to handwriting
Left fusiform gyrus - stores linguistics, vocabulary
Inferior frontal gyrus - where signals of complex movement is sent; sends signals to the hand to write
Left middle frontal gyrus - involves the handwriting process; indicates how things is written—font, style, etc.
Left dorsal precentral gyrus - focuses on how hand, as you write, is controlled
Body Parts Involved in Writing
Fingers
Palm
Wrist
Shoulder
Elbow
Muscles Involved in Handwriting
Extensor - focuses on upward strokes
Flexor - concerned with downward stroke
Lumbrical - focuses on lateral/straight strokes
Other muscles involved:
Extensor carpi radicals longus
Dorsal and palmar interossei
Bones Involved in Handwriting
Carpals
Metacarpals
Proximal
Phalanges
Intermediate Phalanges
Handwriting is a developed skill or a learned behavior, not an inborn skill.
Development of Handwriting
Drawing Stage
Adolescence Stage
Stage of Subject Matter
Stage of Degeneration
Drawing Stage
usually starts in grade school
following/tracing letters
introduction of copybook
Forms of Drawing Stage
Palmer Method
D'nealian Method
Zaner-Bloser Method
Adolescence Stage
deviation from guides
creation of own form and style of writing
focus is the manner of execution
Stage of Subject Matter
mastered the art of handwriting
focus is the context of what is being written
Stage of Degeneration
observable to elderlies
poorly written handwriting
not so legible writings
Styles of Handwriting
Printed
Cursive
Print-writing
Signature
written representation of someone's name as proof of identity and intention
a mark or sign made by an individual on an instrument or document to signify knowledge, approval, acceptance, or obligation