Activity
Activity. Is In The Series Of Morbid Phenomena Peculiar To Mental Diseases That The Processes Of Automatic Activity Generally Present Themselves With Their Most Signifi Cant Characters Of Intensity, And In The Most Diverse Forms. It Is, In Fact, The Automatic Activity Of The Cerebral Cell That Always More Or ...
Activity The
Activity. The Nerve-cells, Considered As To Their Intrinsic Proper Ties, Individually Participate In All The General Phe Nomena Of The Life Of Cells. Like All Their Fellows They Have Their History, Their Genealogy, Their Periods Of Growth And Decay. They Are Subject To Alternate Phases Of Repose And Labour, And, ...
Anatomy Of The Brain
Anatomy Of The Brain. Study Of The Nervous Centres Has Always Strongly Attracted The Anatomist As A Field Of Labour ; And The Reason Of This Is Not Far To Seek. In The Face Of Such A Subject, Not Only Does The Very Natural Desire To Pene Trate The Inmost ...
Automatism In Psyciio Intellect Ual
Automatism In Psyciio-intellect Ual Activity.. If, Now, We Enter Upon The Physiological Study Of Cerebral Activity Proper, We Shall See In What Complex Forms This Curious Property Of The Nerve-cell Reveals Itself, And In What An Infinite Number Of Combinations It Is Capable Of Taking Part. It Is Principally In ...
Cerebral Activity
Cerebral Activity. Have Already Se.-:n That Sensorial Impressions, Once Received Into The Different Regions Of The Cortical Peri Phery, Become Dispersed In The Plexuses Of The Sensorium, Which Constitutes For Them A Vast Field Of Projection, And That, Pursuing Their Course From This Point Onwards, They Enter Into Particular Relations, ...
Development Of Automatic Activity
Development Of Automatic Activity. The Automatic Activity Of The Nervous Elements Awakes At Variable Epochs, According To The Precocity Of Mor Phological Development Of These Elements. Thus, The Spinal Axis Being More Rapidly Developed Than The Brain, In The Regular Evolution Of The Nervous System, Automatic Manifestations May Take Place ...
Development Of Sensibility
Development Of Sensibility. In Living Beings Awakens With Life. As Regards Histological Sensibility Proper, It Is Inherent In The Primordial Phenomena Of The Evolution Of The Embry Onic Cells ; It Is A Hereditary Legacy Which Accumulates Incessantly, By The Addition Of New Elements, And New Tissues, In Proportion As ...
Development Of The Notion
Development Of The Notion Of Personality. All The Operations Of The Organism In Action, The Notion Of Our Conscious Personality Does Not All At Once Arrive At The Degree Of Complete Perfection Which It Presents In The Adult. It Passes Through Successive Phases Of Development ; It Is At First ...
Development Of The Phenomena
Development Of The Phenomena Of Memory. General Faculty Of Memory, The Organic Phos Phorescence Of The Nervous Elements, Is Liable To Present Great Modifications, According As It Is Considered At The Different Periods Of The Development Of The Human Being. It Goes Through Successive Phases, Which Are Merely More Or ...
Dreams The
Dreams. The Automatic Activity Of The Cerebral Cells Reveals Itself Also, In A Very Distinct Manner, At Night In The Form Of Persistent Impressions—dreams. It Naturally Follows, From What We Have Already Explained, That, In Reality, Dreams Are Nothing But The Persistent Vibra Tion Of Certain Groups Of Cells In ...
Elements
Elements. Phenomena Of The Life Of The Nervous Centres, Spite Of Their Apparent Complexity, Are Nevertheless Regulated By Laws Which Are In General Simple— Common Principles, Which Indisputably Give Them An Air Of Near Relationship. These Common Principles Are, Moreover, Themselves Reducible To Elementary Vital Pro Perties, Which Form The ...
Elements
Elements. Proposed To Apply The Term Phosphorescence To That Curious Property The Nervous Elements Possess, Of Remaining For A Longer Or Shorter Time In The State Of Vibration Into Which They Have Been Thrown By The Arrival Of External Excitations—as We See Phosphore Scent Substances Illuminated By Solar Rays Continue ...
Elements_2
Elements. Automatic Activity Of The Nervous Elements, Like Their Histological Sensibility, Is Merely One Of The Special Forms Of Their Peculiar Vitality. Diffused, In A Similar Manner, In Its Most Simple Forms, Through The Most Elementary Organisms, This Automatic Activity Is Perfected, And Amplified, In Proportion As It Is Distributed ...
Evolution Of The Processes
Evolution Of The Processes Of Cerebral Activity. Thus Far Considered The Elements Of Cerebral Activity As Individual Simple Forces In The Statical Con Dition, We Shall, In This Third Part Of The Work, Consider Them From A Dynamic Point Of View, As Living Forces In Movement, In Combination One With ...
Genesis And Evolution Of
Genesis And Evolution Of Automatic Activity, Spinal Phenomena. — The Phenomena Of Automatic Nervous Life Reveal Themselves, As We Have Said, In Their Simplest Elementary Form In The Mysterious Operations Of Vegetative Life, While The Sympathetic Ganglions, Scattered Through The Web Of The Tissues, And Connected With The Central Regions ...
Genesis And Evolution Of
Genesis And Evolution Of Memory. In Order That The Processes Of Cerebral Activity Which Constitute Memory Shall Be Evolved According To Their Natural Laws, It Is Necessary That The Peripheral Regions Of The System Which Collect And Transport Sen Sorial Impressions, On The One Hand, And The Central Regions Which ...
Genesis Of Tiie Notion
Genesis Of Tiie Notion Of Personality. Notion Of Our Essential Indio Princeps Around Which All The Phenomena Of Our Mental Activity Revolve— Arises, As We Have Already Hinted, From The Intimate Contact Between The Sphere Of Psychical Activity And The Intellectual Sphere. It Is A Complex Phenomenon, Which Undergoes Development ...
Having
Having Thus Passed In Review The Structure Of The Cor Tical Substance, And The Direction Of The White Fibres Which Emerge From It, It Is Now Necessary To Begin The Study Of The Optic Thalamus And Corpus Striatum, In The Substance Of Which These White Fibres Are Lost ; These ...
Impressions
Impressions. Evolution Of Sensitive Impressions.—sensitive Impres Sions In General Comprehend Not Merely Impressions Of Touch, Contact, And Pressure Of Bodies, But Also Those Which Give Us The Idea Of Temperature, And That Of The Activity Of Our Muscles. They Are Designed, Either Isolatedly Or Simultaneously, To Play A Principal Part ...
Intellectual Activity
Intellectual Activity. Once The External Excitation Is Disseminated Through The Plexuses Of The Cortical Substance, And In Corporated In The Sensorizini, Developing In It The Specific Energies Of The Cerebral Cells That Have Received This New Medium Itself Comes Into Play, And Reacts In The Direct Line Of Its Latent ...
Lution
Lution. Now See How The Different Periods Of Voluntary Activity Are Connected One With Another, And How The Physiological Operation Pursues Its Course. The Process Of External Emission Of The Emotivity Of The Sensorium Manifests Itself Externally, Sometimes In A Rapid And Instantaneous Manner, Sometimes Slowly, Pro Gressively, And After ...
Of Memory The
Of Memory. The Manifestations Of Memory, Looked At As We Have Just Done, Do Not Then Present Themselves Merely As A Collection Of Simple Phenomena, Nor As The Direct Resultant Of The Impression Made Upon The Plexuses Of The Cortical Substance By An External Excitation. They Consist In True Physiological ...
Of Sensibility
Of Sensibility. Is That Fundamental Property Which Characterizes The Life Of Cells. It Is By Means Of It That The Living Cells Come Into Contact With The Medium That Surrounds Them, And That They React Vzotztproprio, By Virtue Of Their Natural Affinities Which Are Thrown Into Agitation, And Exhibit A ...
Personality
Personality. Results From The Explanations We Have Just Given That The Notion Of Our Sentient Ego, Our Inner Person Ality, Far From Being A Simple And Unique Phenomenon, Is Merely The Result Of A Series Of Organic Opeiations, Which Combine And Lend Each Other A Mutual Support, But Which Are ...
Perturbations Of Sensibility
Perturbations Of Sensibility. Physical Pain.—the Phenomena Of Sensibility, Like All Phenomena Of Vital Activity, Are Susceptible Of Alternate Lowering And Exaltation, And Of Presenting Maxima And Minima Of Oscillation, In The Interval Between Which Their Average Periods Are Comprised. Thus, When Sensibility Is Locally Annihilated, When The Histological Tissues Are ...
Phase Of Incidence Of
Phase Of Incidence Of The Processes Of Cerebral Activity. The Period Of Incidence Of The Process Of Cerebral Activity Occurs At The Moment When The Sensorial Ex Citations Darted From The Different Centres Of The Optic Thalami Are Distributed To The Different Regions Of The Sensoriunz, Upon Which They Thus ...
Phase Of Reflection Or
Phase Of Reflection Or Emission Of The Processes Of Cerebral Activity. Period. Motor Processes.—in The State Ment We Have Just Made, We Have Seen That The Processes Of Cerebral Activity, Which Consist First Of All In An Impression Upon The Sensorium Of External Origin, Resolve Themselves Into Various Reactions On ...
Phenomena Of Vegetative Life
Phenomena Of Vegetative Life. In The First Series Of Facts, When The Excitations Derived From The External World Are Not Directly Reflected Out Wards—when, Under The Influence Of One Cause Or Another, The Primary Impression Remains Confined Within Our Own Organism, It Dies Away There, And The Reverberation Which Results ...
Sensation The
(sensation). The Nervous System Being Constituted, As We Have Just Explained, By A Central Axis, Plunging By Its Lateral Roots Into The Surrounding Tissues, And Crowned At Its Superior Extremity By A Central Ganglion, The Brain, Gifted With Its Special Activity, We Shall Now See How The Phenomena Of Sensibility, ...
Substance Every
Substance. Every One Knows The External Appearance Of The Cortical Every One Knows The External Appearance Of The Cortical Substance Of The Brain. It Is Sufficient To Recall That Of The Brains Of Sheep, As Served At Table, To See At A Glance That The Grey Cortical Substance Presents The ...
T He Judgment
T He Judgment. Is The Principal Operation Of Cerebral Activity, By Means Of Which The Human Personality, In Presence Of An Excitation From The External World, Either Physical Or Moral, Expresses Its Condition. Among The Diverse Operations Of The Brain In Action, That Of Judging Is A Regular Physiological Process, ...
The Corpus Striatum The
The Corpus Striatum. The Mass Of Grey Matter Designated By The Name Of Corpus Striatum Is The Complement Of The Optic Thalamus, With Which It Constitutes Those Two Grey Ganglions Which Occupy The Central Region Of Each Hemisphere, And Which Are, As Has Been Frequently Pointed Out, The Natural Poles ...
The Memory In Exercise
The Memory In Exercise. Those Phenomena Of Memory Into Which The Human Personality More Or Less Enters, There Exist A Whole Series Of Similar Acts Which Represent Processes Of Memory To Some Extent Incompletely Developed. These Are Those Phenomena In Which Sensorial Excitations, Not Having Carried Their Action As Far ...