Abstract ideas,240,25;characters,353;propositions,354Abstraction,251;seeDistractionAccommodation, of crystalline lens,32;of ear,49Acquaintance,14Acquisitiveness,407Action, what holds attention determines,448After-images,43-5Agassiz,132Alexia,113Allen, Grant,104Alternating personality,205ff.Amidon,132Analysis,56,248,251,362Anger,374Aphasia,108,113;loss of images in,309Apperception,326Aqueduct of Silvius,80Arachnoid membrane,84Arbor vitæ,86Aristotle,318Articular sensibility,74Association,Chapter XVI;the order of our ideas,253;determined by cerebral laws,255;is not of ideas, but of things thought of,255;the elementary principle of,256;the ultimate cause of is habit,256;indeterminateness of its results,258;total recall,259;partial recall and the law of interest,261;frequency, recency, vividness, and emotional congruity tend to determine the object recalled,264;focalized recall or by similarity,267,364;voluntary trains of thought,271;problems,273Atomistic theories of consciousness,462Attention,Chapter XIII;its relation to interest,170;its physiological ground,217;narrowness of field of consciousness,217;to how many things possible,219;to simultaneous sight and sound,220;its varieties,220;voluntary,224;involuntary,220;change necessary to,226;its relation to genius,227;physiological conditions of,228;the sense-organ must be adapted,229;the idea of the object must be aroused,232;pedagogic remarks,236;attention and free-will,237;what holds attention determines action,448;volitional effort is effort of attention,450Auditory centre in brain,113Auditory type of imagination,306Austen, Miss,261Automaton theory,10,101Azam,210Bahnsen,147Bain,145,367,370Berklev,302,303,347Binet,318,332Black,45-6Blind Spot,31Blix,64,68Blood-supply, cerebral,130Bodily expression, cause of emotions,375Brace, Julia,252Brain, the functions of,Chapter VIII,91Brain, its connection with mind,5-7;its relations to outer forces,9;relations of consciousness to,462Brain, structure of,Chapter VII, 78ff.;vesicles,78ff.;dissection of sheep's,81;how to preserve,83;functions of,Chapter VIII,91ff.Bridgman, Laura,252,308Broca,109,113,115Broca's convolution,109Brodhun,46Brooks, Prof. W. K.,412Brutes, reasoning of,367Calamus scriptorius,84Canals, semicircular,50Carpenter,223,224Cattell,125,126,127Caudate nucleus,81,86Centres, nerve,92Cerebellum, its relation to equilibrium,76;its anatomy,79,84Cerebral laws, of association,255Cerebral process, seeNeural ProcessCerebrum, seeBrain,HemisphereChanging character of consciousness,152,466Charcot,113,309Choice, seeInterestCoalescence of different sensations into the same 'thing,'339Cochlea,51,52Cognition, seeReasoningCold, sensations of,63ff.;nerves of,64Color,40-3Commissures,84Commissure, middle,88ff.;anterior,88;posterior,88Comparison of magnitudes,342Compoundingof sensations,23,43,57Compound objects, analysis of,248Concatenated acts, dependent on habit,140Conceiving, mode of, what is meant by,354Conceptions,Chapter XIV;defined,239;their permanence,239;different states of mind can mean the same,239;abstract, universal, and problematic,240;the thought of 'the same' is not the same thought over again,243Conceptual order different from perceptual,243Consciousness, stream of,Chapter XI,151;four characters in,152;personal,152;is in constant change,152,466;same state of mind never occurs twice,154;consciousness is continuous,157;substantive and transitive states of,160;interested in one part of its object more than another,170;double consciousness,206ff.;narrowness of field of,217;relations of to brain,462Consciousness and Movement,Chapter XXIII;all consciousness is motor,370Concomitants, law of varying,251Consent, in willing,452Continuity of object of consciousness,157Contrast,25,44-5Convergenceof eyeballs,31,33Convolutions, motor,106Corpora fimbriata,86Corpora quadrigemma,79,86,89Corpus albicans,84Corpus callosum,81,84Corpus striatum,81,86,108Cortex,11, noteCortex, localization in,104;motor region of,106Corti'sorgan,52Cramming,295Crura of brain,79,84,108Curiosity,407Currents, in nerves,10Czermak,70Darwin,388,389Deafness, mental,113Delage,76Deliberation,448Delusions of insane,207Dermal senses,60ff.Determinism and psychology,461Decision, five types,429Differences,24;directly felt,245;not resolvable into composition,245;inferred,248Diffusion of movements, the law of,371Dimension, third,342,346Discharge, nervous,120Discord,58Discrimination,Chapter XV,59;touch,62;defined,244;conditions which favor,245;sensation of difference,246;differences inferred,248;analysis of compound objects,249;to be easily singled out a quality should already be separately known,250;dissociation by varying concomitants,251;practice improves discrimination,252;of space,338SeeDifference'Disparate' retinal points,35Dissection, of sheep's brain,81Distance, as seen,39;between members of series,24;in space, seeThird dimensionDistraction,218ff.Division of space,338Donaldson,64Double consciousness,206ff.Double images,36Double personality,205Duality of brain,205Dumont,135Dura mater,82Duration, the primitive object in time-perception,280;our estimation of short,281Ear,47ff.Effort, feeling of,434;feels like an original force,442;volitional effort is effort of attention,450;ethical importance of the phenomena of effort,458Ego, seeSelfEmbryological sketch,Chapter VII,78Emotion,Chapter XXIV;compared with instincts,373;varieties of, innumerable,374;causes of varieties,375,381;results from bodily expression,375;this view not materialistic,380;the subtler emotions,384;fear,385;genesis of reactions,388Emotional congruity, determines association,264Empirical self, seeSelfEmulation,406End-organs,10;of touch,60;of temperature,64;of pressure,60;of pain,67Environment,3Essence of reason, always for subjective interest,358Essential characters, in reason,354Ethical importance of effort,458Exaggerated impulsion, causes an explosive will,439Exner,123,281Experience,218,244Explosive will, from defective inhibition,437;from exaggerated impulsion,439Expression, bodily, cause of emotions,375Extensity, primitive to all sensation,335Exteriority of objects,15External world,15Extirpation of higher nerve-centres,95ff.Eye, its anatomy,28-30Familiarity, sense of, seeRecognitionFear,385,406,407Fechner,21,229Feeling of effort,434Féré,311Ferrier,132Fissure of Rolando, seat of motor incitations,106Fissure of Sylvius,108Foramen of Monro,88Force, original, effort feels like,442Forgetting,300Fornix,81,86,87,89Fovea centralis,31Franklin,121Franz, Dr.,308Freedom of the will,237Free-will and attention,237;relates solely to effort of attention,455;insoluble on strictly psychologic grounds,456;ethical importance of the phenomena of effort,458Frequency, determines association,264"Fringes" of mental objects,163ff.Frogs' lower centres,95Functions of the Brain,Chapter VIII,91;nervous functions, general idea of,91Fusion of mental states,197,245,339Fusion, of sensations,23,43,57Galton,126,265,303,306Genius,227,327Goethe,146,157Goldscheider,11,64,68Goltz,100Guiteau,185Gurney, Edmund,331,334Habit,Chapter X,134ff.;has a physical basis,134;due to plasticity,135;due to pathways through nerve-centres,136;effects of,138;practical use of,138;depends on sensations not attended to,141;ethical and pedagogical importance of142ff.;habit the ultimate cause of association,256Hagenauer,386Hall, Robert,223Hallucinations,330ff.Hamilton,260,268Harmony,58Hartley,255Hearing,47ff.;centre of, in cortex,113Heat-sensations,63ff.;nerves of,64Helmholtz,26,42,43,55,56,58,121,226,227,231,233,234,321Hemispheres, general notion of,97;chief seat of memory,98;effects of deprivation of, on frogs,92;on pigeons,96Herbart,222,326Herbartian School,157Hering,24,26Herzen,123,124Hippocampi,88Hodgson,262,264,280,283Holbrook,297Horsley,107,118Hume,161,244Hunger, sensations of,69Huxley,143Hypnotic conditions,301Ideas, the theory of,154ff.;never come twice the same,154;they do not permanently exist,157;abstract ideas,240,251;universal240;order of ideas by association,253'Identical retinal points,'35Identity, personal,201;mutations of,205ff.;alternating personality,205Ideo-motor action the type of all volition,432Illusions,317ff.,330Images, mental, compared with sensations,14;double, in vision,36;'after-images,'43-5;visual,302;auditory,306;motor,307;tactile,308Imagination,Chapter XIX;defined,302;differs in individuals,302;Galton's statistics of,302;visual,302;auditory,306;motor,307;tactile,308;pathologicaldifferences,308;cerebral process of,310;not locally distinct from that of sensation,310Imitation,406Inattention,218,236Increase of stimulus,20;serial,24Infundibulum,82,84,88Inhibition, defective, causes an Explosive Will,437Inhibition of instincts by habits,399Insane delusions,207Instinct,Chapter XXV;emotions compared with,373;definition of,391;every instinct is an impulse,392;not always blind or invariable,395;modified by experience,396;two principles of non-uniformity,398;man has more than beasts,398,406;transitory,402;of children,406;fear,407Intellect, part played by, in space-perception,349Intensity of sensations,16Interest, selects certain objects and determines thoughts170;