PREFACE.

 The title indicates that this volume is restricted to the group of material conditions which constitute the organism in relation to the physical world—a group which furnishes the data for one half of the psychologist’s quest; the other half being furnished by historical and social conditions.

The Human Mind, so far as it is accessible to scientific inquiry¹, has a twofold root, man being not only an animal organism but an unit in the social organism; and hence the complete theory of its functions and faculties² must be sought in this twofold direction. This conception (which has been declared “to amount to a revolution in Psychology³”), although slowly prepared by the growing conviction that Man could not be isolated⁴ from Humanity, was first expounded⁵ in the opening volume of these Problems of Life and Mind; at least, I am not aware that any predecessor⁶ had seen how the specially⁷ human faculties of Intellect and Conscience were products of social factors co-operating with the animal factors.

In considering the Physical Basis a large place must be assigned to the mechanical and chemical relations which are involved in organic functions; yet we have to recognize that this procedure of Analysis is artificial and preparatory, that none of its results are final, none represent the synthetic⁸ reality of vital facts. Hence one leading object of the following pages has been everywhere to substitute the biological point of view for thevi metaphysical and mechanical points of view which too often obstruct⁹ research—the one finding its expression in spiritualist theories, the other in materialist¹⁰ theories; both disregarding the plain principle that the first requisite¹¹ in a theory of biological phenomena¹² must be to view them in the light of biological conditions: in other words, to fix our gaze upon what passes in the organism, and not on what may pass in the laboratory, where the conditions are different. Analysis is a potent¹³ instrument, but is too often relied on in forgetfulness of what constitutes its real aid, and thus leads to a disregard of all those conditions which it has artificially set aside. We see this in the tendency of anatomists and physiologists¹⁴ to assign to one element, in a complex cluster of co-operants, the significance which properly belongs to that cluster: as when the property of a tissue is placed exclusively in a single element of that tissue, the function of an organ assigned to its chief tissue, and a function of the organism to a single organ.

Another object has been to furnish the reader uninstructed in physiology¹⁵ with such a general outline of the structure and functions of the organism, and such details respecting the sentient¹⁶ mechanism¹⁷, as may awaken¹⁸ an interest in the study, and enable him to understand the application of Physiology to Psychology. If he comes upon details which can only interest specially educated students, or perhaps only by them be really understood, he can pass over these details, for their omission¹⁹ will not seriously affect the bearing of the general principles. I have given the best I had to give; and must leave each reader to find in it whatever may interest him. The uses of books are first to stimulate²⁰ inquiry by awakening²¹ an interest; secondly²², to clarify and classify the knowledge already gained from direct contemplation of the phenomena. They are stimuli²³ and aids to observation andvii thought. They should never be allowed to see for us, nor to think for us.

The volume contains four essays. The first, on the Nature of Life, deals with the speciality of organic phenomena, as distinguished²⁴ from the inorganic²⁵. It sets forth²⁶ the physiological²⁷ principles which Psychology must incessantly²⁸ invoke²⁹. In the course of the exposition I have incorporated several passages from four articles on Mr. Darwin’s hypotheses, contributed to the Fortnightly Review during the year 1868. I have also suggested a modification³⁰ of the hypothesis of Natural Selection, by extending to the tissues and organs that principle of competition which Mr. Darwin has so luminously³¹ applied³² to organisms. Should this generalization³³ of the “struggle for existence” be accepted, it will answer many of the hitherto unanswerable objections.

The second essay is on the Nervous Mechanism, setting forth what is known and what is inferred respecting the structure and properties of that all-important system. If the sceptical and revolutionary attitude, in presence of opinions currently held to be established truths, surprises or pains the reader unprepared for such doubts, I can only ask him to submit my statements to a similar scepticism, and confront them with the ascertained³⁴ evidence. After many years of laborious³⁵ investigation³⁶ and meditation³⁷, the conclusion has slowly forced itself upon me, that on this subject there is a “false persuasion³⁸ of knowledge” very fatal in its influence, because unhesitatingly adopted as the ground of speculation³⁹ both in Pathology and Psychology. This persuasion is sustained because few are aware how much of what passes for observation is in reality sheer hypothesis. I have had to point out the great extent to which Imaginary Anatomy⁴⁰ has been unsuspectingly accepted; and hope to have done something towards raising a rational misgiving⁴¹ in the student’s mind respectingviii “the superstition⁴² of the nerve-cell”—a superstition which I freely confess to have shared in for many years.

The third essay treats of Animal Automatism. Here the constant insistance on the biological point of view, while it causes a rejection⁴³ of the mechanical theory, admits the fullest recognition of all the mechanical relations involved in animal movements, and thus endeavors to reconcile the contending schools. In this essay I have also attempted a psychological solution of that much-debated question—the relation between Body and Mind. This solution explains why physical and mental phenomena must necessarily present to our apprehension⁴⁴ such profoundly diverse characters; and shows that Materialism⁴⁵, in attempting to deduce the mental from the physical, puts into the conclusion what the very terms have excluded from the premises⁴⁶; whereas, on the hypothesis of a physical process being only the objective aspect of a mental process, the attempt to interpret the one by the other is as legitimate⁴⁷ as the solution of a geometrical problem by algebra⁴⁸.

In the final essay the Reflex Theory is discussed; and here once more the biological point of view rectifies⁴⁹ the error of an analysis which has led to the denial of Sensibility in reflex actions, because that analysis has overlooked the necessary presence of the conditions which determine Sensibility. In these chapters are reproduced several passages from the Physiology of Common Life.

According to my original intention, this volume was to have included an exposition of the part I conceive the brain to play in physiological and psychological processes, but that must be postponed⁵⁰ until it can be accompanied by a survey of psychological processes which would render the exposition more intelligible⁵¹.

The Priory, March, 1877.

1 inquiry   

n.打听，询问，调查，查问

参考例句：

• Many parents have been pressing for an inquiry into the problem.许多家长迫切要求调查这个问题。
• The field of inquiry has narrowed down to five persons.调查的范围已经缩小到只剩5个人了。

2 faculties   

n.能力( faculty的名词复数 )；全体教职员；技巧；院

参考例句：

• Although he's ninety, his mental faculties remain unimpaired. 他虽年届九旬，但头脑仍然清晰。
• All your faculties have come into play in your work. 在你的工作中，你的全部才能已起到了作用。 来自《简明英汉词典》

3 psychology   

n.心理，心理学，心理状态

参考例句：

• She has a background in child psychology.她受过儿童心理学的教育。
• He studied philosophy and psychology at Cambridge.他在剑桥大学学习哲学和心理学。

4 isolated   

adj.与世隔绝的

参考例句：

• His bad behaviour was just an isolated incident. 他的不良行为只是个别事件。
• Patients with the disease should be isolated. 这种病的患者应予以隔离。

5 expounded   

论述，详细讲解( expound的过去式和过去分词 )

参考例句：

• He expounded his views on the subject to me at great length. 他详细地向我阐述了他在这个问题上的观点。
• He warmed up as he expounded his views. 他在阐明自己的意见时激动起来了。

6 predecessor   

n.前辈，前任

参考例句：

• It will share the fate of its predecessor.它将遭受与前者同样的命运。
• The new ambassador is more mature than his predecessor.新大使比他的前任更成熟一些。

7 specially   

adv.特定地；特殊地；明确地

参考例句：

• They are specially packaged so that they stack easily.它们经过特别包装以便于堆放。
• The machine was designed specially for demolishing old buildings.这种机器是专为拆毁旧楼房而设计的。

8 synthetic   

adj.合成的，人工的；综合的；n.人工制品

参考例句：

• We felt the salesman's synthetic friendliness.我们感觉到那位销售员的虚情假意。
• It's a synthetic diamond.这是人造钻石。

9 obstruct   

v.阻隔，阻塞(道路、通道等)；n.阻碍物，障碍物

参考例句：

• He became still more dissatisfied with it and secretly did everything in his power to obstruct it.他对此更不满意，尽在暗里使绊子。
• The fallen trees obstruct the road.倒下的树将路堵住了。

10 materialist   

n. 唯物主义者

参考例句：

• Promote materialist dialectics and oppose metaphysics and scholasticism. 要提倡唯物辩证法，反对形而上学和烦琐哲学。
• Whoever denies this is not a materialist. 谁要是否定这一点，就不是一个唯物主义者。

11 requisite   

adj.需要的，必不可少的；n.必需品

参考例句：

• He hasn't got the requisite qualifications for the job.他不具备这工作所需的资格。
• Food and air are requisite for life.食物和空气是生命的必需品。

12 phenomena   

n.现象

参考例句：

• Ade couldn't relate the phenomena with any theory he knew.艾德无法用他所知道的任何理论来解释这种现象。
• The object of these experiments was to find the connection,if any,between the two phenomena.这些实验的目的就是探索这两种现象之间的联系，如果存在着任何联系的话。

13 potent   

adj.强有力的，有权势的；有效力的

参考例句：

• The medicine had a potent effect on your disease.这药物对你的病疗效很大。
• We must account of his potent influence.我们必须考虑他的强有力的影响。

14 physiologists   

n.生理学者( physiologist的名词复数 )；生理学( physiology的名词复数 )；生理机能

参考例句：

• Quite unexpectedly, vertebrate physiologists and microbial biochemists had found a common ground. 出乎意外，脊椎动物生理学家和微生物生化学家找到了共同阵地。 来自辞典例句
• Physiologists are interested in the workings of the human body. 生理学家对人体的功能感兴趣。 来自辞典例句

15 physiology   

n.生理学，生理机能

参考例句：

• He bought a book about physiology.他买了一本生理学方面的书。
• He was awarded the Nobel Prize for achievements in physiology.他因生理学方面的建树而被授予诺贝尔奖。

16 sentient   

adj.有知觉的，知悉的；adv.有感觉能力地

参考例句：

• The living knew themselves just sentient puppets on God's stage.生还者认识到，他们不过是上帝的舞台上有知觉的木偶而已。
• It teaches us to love all sentient beings equally.它教导我们应该平等爱护一切众生。

17 mechanism   

n.机械装置；机构，结构

参考例句：

• The bones and muscles are parts of the mechanism of the body.骨骼和肌肉是人体的组成部件。
• The mechanism of the machine is very complicated.这台机器的结构是非常复杂的。

18 awaken   

vi.醒，觉醒；vt.唤醒，使觉醒，唤起，激起

参考例句：

• Old people awaken early in the morning.老年人早晨醒得早。
• Please awaken me at six.请于六点叫醒我。

19 omission   

n.省略，删节；遗漏或省略的事物，冗长

参考例句：

• The omission of the girls was unfair.把女孩排除在外是不公平的。
• The omission of this chapter from the third edition was a gross oversight.第三版漏印这一章是个大疏忽。

20 stimulate   

vt.刺激，使兴奋；激励，使…振奋

参考例句：

• Your encouragement will stimulate me to further efforts.你的鼓励会激发我进一步努力。
• Success will stimulate the people for fresh efforts.成功能鼓舞人们去作新的努力。

21 awakening   

n.觉醒，醒悟 adj.觉醒中的；唤醒的

参考例句：

• the awakening of interest in the environment 对环境产生的兴趣
• People are gradually awakening to their rights. 人们正逐渐意识到自己的权利。

22 secondly   

adv.第二，其次

参考例句：

• Secondly,use your own head and present your point of view.第二，动脑筋提出自己的见解。
• Secondly it is necessary to define the applied load.其次，需要确定所作用的载荷。

23 stimuli   

n.刺激（物）

参考例句：

• It is necessary to curtail or alter normally coexisting stimuli.必需消除或改变正常时并存的刺激。
• My sweat glands also respond to emotional stimuli.我的汗腺对情绪刺激也能产生反应。

24 distinguished   

adj.卓越的，杰出的，著名的

参考例句：

• Elephants are distinguished from other animals by their long noses.大象以其长长的鼻子显示出与其他动物的不同。
• A banquet was given in honor of the distinguished guests.宴会是为了向贵宾们致敬而举行的。

25 inorganic   

adj.无生物的；无机的

参考例句：

• The fundamentals of inorganic chemistry are very important.无机化学的基础很重要。
• This chemical plant recently bought a large quantity of inorganic salt.这家化工厂又买进了大量的无机盐。

26 forth   

adv.向前；向外，往外

参考例句：

• The wind moved the trees gently back and forth.风吹得树轻轻地来回摇晃。
• He gave forth a series of works in rapid succession.他很快连续发表了一系列的作品。

27 physiological   

adj.生理学的，生理学上的

参考例句：

• He bought a physiological book.他买了一本生理学方面的书。
• Every individual has a physiological requirement for each nutrient.每个人对每种营养成分都有一种生理上的需要。

28 incessantly   

ad.不停地

参考例句：

• The machines roar incessantly during the hours of daylight. 机器在白天隆隆地响个不停。
• It rained incessantly for the whole two weeks. 雨不间断地下了整整两个星期。

29 invoke   

v.求助于(神、法律)；恳求，乞求

参考例句：

• Let us invoke the blessings of peace.让我们祈求和平之福。
• I hope I'll never have to invoke this clause and lodge a claim with you.我希望我永远不会使用这个条款向你们索赔。

30 modification   

n.修改，改进，缓和，减轻

参考例句：

• The law,in its present form,is unjust;it needs modification.现行的法律是不公正的，它需要修改。
• The design requires considerable modification.这个设计需要作大的修改。

31 luminously   

发光的； 明亮的； 清楚的； 辉赫

参考例句：

• an alarm clock with a luminous dial 夜光闹钟
• luminous hands on a clock 钟的夜光指针

32 applied   

adj.应用的；v.应用，适用

参考例句：

• She plans to take a course in applied linguistics.她打算学习应用语言学课程。
• This cream is best applied to the face at night.这种乳霜最好晚上擦脸用。

33 generalization   

n.普遍性，一般性，概括

参考例句：

• This sweeping generalization is the law of conservation of energy.这一透彻的概括就是能量守恒定律。
• The evaluation of conduct involves some amount of generalization.对操行的评价会含有一些泛泛之论。

34 ascertained   

v.弄清，确定，查明( ascertain的过去式和过去分词 )

参考例句：

• The previously unidentified objects have now been definitely ascertained as being satellites. 原来所说的不明飞行物现在已证实是卫星。 来自《简明英汉词典》
• I ascertained that she was dead. 我断定她已经死了。 来自《简明英汉词典》

35 laborious   

adj.吃力的，努力的，不流畅

参考例句：

• They had the laborious task of cutting down the huge tree.他们接受了伐大树的艰苦工作。
• Ants and bees are laborious insects.蚂蚁与蜜蜂是勤劳的昆虫。

36 investigation   

n.调查，调查研究

参考例句：

• In an investigation,a new fact became known, which told against him.在调查中新发现了一件对他不利的事实。
• He drew the conclusion by building on his own investigation.他根据自己的调查研究作出结论。

37 meditation   

n.熟虑，（尤指宗教的）默想，沉思，（pl.）冥想录

参考例句：

• This peaceful garden lends itself to meditation.这个恬静的花园适于冥想。
• I'm sorry to interrupt your meditation.很抱歉，我打断了你的沉思。

38 persuasion   

n.劝说；说服；持有某种信仰的宗派

参考例句：

• He decided to leave only after much persuasion.经过多方劝说，他才决定离开。
• After a lot of persuasion,she agreed to go.经过多次劝说后，她同意去了。

39 speculation   

n.思索，沉思；猜测；投机

参考例句：

• Her mind is occupied with speculation.她的头脑忙于思考。
• There is widespread speculation that he is going to resign.人们普遍推测他要辞职。

40 anatomy   

n.解剖学，解剖；功能，结构，组织

参考例句：

• He found out a great deal about the anatomy of animals.在动物解剖学方面，他有过许多发现。
• The hurricane's anatomy was powerful and complex.对飓风的剖析是一项庞大而复杂的工作。

41 misgiving   

n.疑虑，担忧，害怕

参考例句：

• She had some misgivings about what she was about to do.她对自己即将要做的事情存有一些顾虑。
• The first words of the text filled us with misgiving.正文开头的文字让我们颇为担心。

42 superstition   

n.迷信，迷信行为

参考例句：

• It's a common superstition that black cats are unlucky.认为黑猫不吉祥是一种很普遍的迷信。
• Superstition results from ignorance.迷信产生于无知。

43 rejection   

n.拒绝，被拒，抛弃，被弃

参考例句：

• He decided not to approach her for fear of rejection.他因怕遭拒绝决定不再去找她。
• The rejection plunged her into the dark depths of despair.遭到拒绝使她陷入了绝望的深渊。

44 apprehension   

n.理解，领悟；逮捕，拘捕；忧虑

参考例句：

• There were still areas of doubt and her apprehension grew.有些地方仍然存疑，于是她越来越担心。
• She is a girl of weak apprehension.她是一个理解力很差的女孩。

45 materialism   

n.［哲］唯物主义，唯物论；物质至上

参考例句：

• Idealism is opposite to materialism.唯心论和唯物论是对立的。
• Crass materialism causes people to forget spiritual values.极端唯物主义使人忘掉精神价值。

46 premises   

n.建筑物，房屋

参考例句：

• According to the rules,no alcohol can be consumed on the premises.按照规定，场内不准饮酒。
• All repairs are done on the premises and not put out.全部修缮都在家里进行，不用送到外面去做。

47 legitimate   

adj.合法的，合理的，合乎逻辑的；v.使合法

参考例句：

• Sickness is a legitimate reason for asking for leave.生病是请假的一个正当的理由。
• That's a perfectly legitimate fear.怀有这种恐惧完全在情理之中。

48 algebra   

n.代数学

参考例句：

• He was not good at algebra in middle school.他中学时不擅长代数。
• The boy can't figure out the algebra problems.这个男孩做不出这道代数题。

49 rectifies   

改正，矫正( rectify的第三人称单数 )； 精馏

参考例句：

• A diode rectifies alternating current. 二极管调整交流电。

50 postponed   

vt.& vi.延期，缓办，（使）延迟vt.把…放在次要地位；[语]把…放在后面（或句尾）vi.（疟疾等）延缓发作（或复发）

参考例句：

• The trial was postponed indefinitely. 审讯无限期延迟。
• The game has already been postponed three times. 这场比赛已经三度延期了。

51 intelligible   

adj.可理解的，明白易懂的，清楚的

参考例句：

• This report would be intelligible only to an expert in computing.只有计算机运算专家才能看懂这份报告。
• His argument was barely intelligible.他的论点不易理解。