influence in association,262Introspection,118Janet,211,212,301Jackson, Hughlings,105,117Joints, their sensibility,74Kadinsky,330Knowledge, theory of,2,464,467;two kinds of,14König,46Krishaber,208Labyrinth,47,49-52Lange, K.,329Laws, cerebral, of association,255Law, Weber's,17;—, Fechner's21;—, of relativity,24Lazarus,300,323Lenticular nucleus,81Lewes,11,232,326Likeness,243,364Lindsay, Dr.,413Localization of Functions in the hemispheres,104ff.Localization, Skin,61Locations, in environment,340;serial order of,341Locke,244,302,357Lockean School,157Locomotion, instinct of,406Lombard,131Longituditional fissure,84Lotze,175Love,407Lower Centres, of frogs and pigeons,95ff.Ludwig,130Mach,75Mamillary bodies,84Man's intellectual distinction from brutes,367Mantegazza,390Martin,40,44,45,49,52,53,60,61,65,69Martineau,251Materialism and emotion,380Matteuci,120Maudsley,138Measurement, of sensations,22;of space,342'Mediumships,'212Medulla oblongata,84,108Memory,Chapter XVIII;hemispheres physical seat of,98;defined,287;analysis of the phenomenon of memory,287ff.;return of a mental image is not memory,289;association explains recall and retention,289;brain-scheme of,291;conditions of good memory,292;multiple associations favor,294;effects of cramming on,295;how to improve memory,298;recognition,299;forgetting,300;hypnotics,301Mental blindness,112Mental images,14Mental operations, simultaneous,219Mental states, cannot fuse,197;relation of, to their objects,464Merkel,59,66Metaphysics, what the word means,461Meyer, G. H.,308,311Meynert,105,117Mill, James,196,276,289Mill, J. S.,147,157Mimicry,406Mind depends on brain conditions,3-7;states of, their relation to their objects,464;seeConsciousnessModesty,407Monistic theories of consciousness,462Morgan, Lloyd,368Mosso,130,131Motion, sensations of,Chapter VI,70ff.;feeling of motion over surfaces,70Motor aphasia,108Motor region of cortex,106Motor type of imagination,307Movement, consciousness and, II,Chapter I;images of movement,307;all consciousness is motor,370Munk,110Münsterberg,23,311Muscular sensation,65ff.;relations to space,66,74;muscular centre in cortex,106Mussey, Dr.,440Naunyn,115Nerve-currents,9Nervous discharge,120Nerve-endings in the skin,60;in muscles and tendons,66-67;Pain,67ff.;nerve-centres,92Nerves, general functions of,91ff.Neural activity, general conditions of,Chapter IX,120;nervous discharge,120Neural functions, general idea of,91Neural process, in habit,134ff.;in association,255ff.;in memory,291;in imagination,310;in perception,329Nucleus lenticularis,81,108;caudatus,81,108Object, the, of sensation,13-15;of thought,154,163;one part of, more interesting than another,170;object must change to hold attention,226;objects as signs and as realities,345;relation of states of mind to their object,464Occipitel lobes, seat of visual centre,110Old-fogyism vs. genius,327Olfactory lobes,82,84Olivary bodies,85Optic nerve,82,89Optic tracts,84Original force, effort feels like one,442Overtones,55Pain,67ff.;pain and pleasure as springs of action,444Pascal,223Past time, known in a present feeling,285;the immediate past is a portion of the present duration-block,280Paulhan,219,220Pedagogic remarks on habit,142;on attention,236Peduncles,84,85,86Perception,Chapter XX;compared with sensation,312;involves reproductive processes,312;the perceptive state of mind is not a compound,313;perception is of definite and probable things,316;illusory perceptions,317;physiological process of perception,329Perception of Space,Chapter XXIPerez, M.,408Personal Identity,201;mutations of,205ff.;alternating personality,205ff.Personality, alterations of,205ff.Philosophy, Psychology and, Epilogue,461Phosphorus and thought,132Pia mater,82Pigeons' lower centres,96Pitch,54Pituitary body,82,89Place, a series of positions,341Plasticity, as basis of habit, defined,135Plato,240Play,407Pleasure, and pain, as springs of action,444Psychology and Philosophy, Epilogue,461Pons Varolii,79,84,108Positions, place a series of,341Practice, improves discrimination,252Present, the present moment,280Pressure sense,60Preyer,406Probability determines what object shall be perceived,316,329Problematic conceptions,240Problems, solution of,272Projection of sensations, eccentric,15Psychology, defined,1;a natural science,2;what data it assumes,2;Psychology and Philosophy, Chapter XXVIIPsycho-physic law,17,24,46,59,66,67Pugnacity,406Purkinje,75Pyramids,85Quality,13,23,25,56Raehlmann,349Rationality,173Reaction-time,120ff.Real magnitude, determined by æsthetic and practical interests,344Real space,337Reason,254Reasoning,Chapter XXIII;what it is,351;involves use of abstract characters,353;what is meant by an essential character,354;the essence is always for a subjective interest,358;two great points in reasoning,360;sagacity,362;help from association by similarity,364;reasoning power of brutes,367Recall,289Recency, determines association,264'Recepts,'368Recognition,299Recollection,289ff.Redintegration,264Reflex acts, defined,92;reaction-time measures one,123;concatenated habits are constituted by a chain of,140Reid,313Relations, between objects,162;feelings of,162'Relativityof knowledge,'24Reproduction in memory,289ff.;voluntary,271Resemblance,243Retention in memory,289Retentiveness, organic,291;it is unchangeable,296Retina, peripheral parts of, act as sentinels,73Revival in memory,289ff.Ribot,300Richet,410Rivalry of selves,186Robertson, Prof.Croom,318Rolando, fissure of,106Romanes,128,322,367Rosenthal,11Rousseau,148Rotation, sense of,75Sagacity,362Sameness,201,202Schaefer,107,110,118Schiff,131Schneider,72,372,392Science, natural,1Scott, Prof.,311Sea-sickness, accidental origin,390Seat of consciousness,5Selection,10;a cardinal function of consciousness,170Self, The,Chapter XII;not primary,176;the empirical self,176;its constituents,177;the material self,177;the social self,179;the spiritual self,181;self-appreciation,182;self-seeking, bodily, social, and spiritual,184;rivalry of the mes.186;their hierarchy,190;teleology of self-interest,193;the I, or 'pure ego,'195;thoughts are not compounded of 'fused' sensations,196;the soul as a combining medium,200;the sense of personal identity,201;explained by identity of function in successive passing thoughts,203;mutations of the self,205;insane delusions,207;alternating personalities,210;medium-ships,212;who is the thinker?215Self-appreciation,182Self-interest, theological uses of,193;teleological character of,193Selves, their rivalry,186Semicircular canals,50Semicircular canals, their relation to sensations of rotation,75Sensations, in General,Chapter II, p.9;distinguished from perceptions,12;from images,14;firstthings in consciousness,12;make us acquainted with qualities,14;their exteriority,15;intensity of sensations,16;their measurement,21;they are not compounds,23Sensations, of touch,60;of skin,60ff.;of smell,69;of pain,67;of heat,63;of cold,63;of hunger,69;of thirst,69;of motion,70;muscular,65;of taste,69;of pressure,60;of joints,74;of movement through space,75;of rotation,75;of translation,76Sense of time, seeTimeSensory centres in the cortex,113ff.Septum lucidum,87Serial order of locations,341Shame,374Sheep's brain, dissection of,81Sight,28ff.;seeVisionSigns,40;sensations are, to us of other sensations, whose space-value is held to be more real,345ff.Similarity, association by,267,364;seeLikenessSize,40Skin—senses,60ff.;localizing power of,61;discrimination of points on,247Smell,69;centre of, in cortex,116Smith, T. C.,311Sociability,407Soul, the, as ego or thinker,196;as a combining medium,200,203Sound,53-59;images of,306Space, Perception of,Chapter XXI;extensity in three dimensions primitive to all sensation,335;construction of real space,337;the processes which it involves: (1) Subdivision,338;(2) Coalescence of different sensible data into one 'thing,'339;(3) Location in an environment,342;objects which are signs, and objects which are realities,345;the third dimension,346;Berkeley's theory of distance,346;part played by intellect in space-perception,349Space, relation of muscular sense to,66,74Spalding,401ff.Span of consciousness,219,286Specific energies,11Speech, centres of, in cortex,109;thought possible without it,169;seeAphasiaSpencer,103,387,390Spinal cord, conduction of pain by,68;centre of defensive movements,93Spiritual substance, seeSoulSpiritualistic theories of consciousness,462Spontaneous trains of thought,257;examples,257ff.,271Starr,107,113,115Steinthal,327Stream of Consciousness,Chapter XI,151Stricker,307Subdivision of space,338Substantive states of mind,160Successionvs.duration,280;not known by successive feelings,285Summation of stimuli,128Surfaces, feeling of motion over,70Tactile centre in cortex,116Tactile images,308Taine,208Taste,69;centre of, in cortex,116Teleological character of consciousness,4;of self-interest,193Temperature-sense,63ff.Terminal organs,10,30,52Thalami,80,86,89,108Thermometry, cerebral,131'Thing,' coalescence of sensations to form the same,339Thinking principle, seeSoulThird dimension of space,346Thirst, sensations of,69Thomson, Dr.Allen,129Thought, the 'Topic' of,167;stream of,151;can be carried on in any terms,167;unity of,196;spontaneous trains of,257;the entire thought the minimum,464'Timbre,'55Time, sense of,Chapter XVII;begins with duration,280;no sense of empty time,281;compared with perception of space,282;