ISSN:0012-1622    

DOI:10.1111/j.1469-8749.1959.tb08839.x

出版商:Blackwell Publishing Ltd    

年代:1959

数据来源: WILEY

摘要:

SUMMARYThe traditional view is that the low‐grade mental defective is relatively ineducable. It is suggested that part of this ineducability may be traced to conditions of deprivation which are not conducive to the learning of fundamental processes upon which other learning may take place. Experimental work with defectives has shown that while initial performance on tasks is related to intelligence‐test performance, the final performance after training is not. The conclusion drawn from other experiments is that defectives are lacking in the controlling function of language, but even here there are grounds for supposing that a measure of verbal efficiency can be achie

ISSN:0012-1622    

DOI:10.1111/j.1469-8749.1959.tb08840.x

出版商:Blackwell Publishing Ltd    

年代:1959

数据来源: WILEY

ISSN:0012-1622    

DOI:10.1111/j.1469-8749.1959.tb08841.x

出版商:Blackwell Publishing Ltd    

年代:1959

数据来源: WILEY

ISSN:0012-1622    

DOI:10.1111/j.1469-8749.1959.tb08842.x

出版商:Blackwell Publishing Ltd    

年代:1959

数据来源: WILEY

ISSN:0012-1622    

DOI:10.1111/j.1469-8749.1959.tb08843.x

出版商:Blackwell Publishing Ltd    

年代:1959

数据来源: WILEY

摘要:

SUMMARYFollowing a chance observation, it has been discovered that the destruction of nervous tissue deep in the cerebral hemisphere can relieve tremor and rigidity on the contralateral side in some cases of Parkinson's disease, without impairing motor performance.There are many possible explanations for this, and six are briefly reviewed here, but the full significance of this knowledge will only be realised when post‐mortem studies of the lesion in successful and unsuccessful cases are availabl

ISSN:0012-1622    

DOI:10.1111/j.1469-8749.1959.tb08844.x

出版商:Blackwell Publishing Ltd    

年代:1959

数据来源: WILEY

摘要:

SUMMARYI conclude that there are two variants of the clasp‐knife phenomenon: (a) when already hypertonic muscles “give” sud‐dently on passive movement; and (b) when muscles, whether originally in hypertonus or not, develop an increase of hypertonus when the limb is passively moved and this “catch” or newly developed hypertonus “gives” on further passive movement.The give is sometimes fairly early in passive movement, when it is a reflex response to increased tension in the muscle, or it may be late in the passive movement when it is a response to lengthenin

ISSN:0012-1622    

DOI:10.1111/j.1469-8749.1959.tb08845.x

出版商:Blackwell Publishing Ltd    

年代:1959

数据来源: WILEY

摘要:

SUMMARYPhysical therapy can modify hypertonia per se.It can to a variable extent modify the effect that the hypertonic muscle has on limb function.A clear distinction should be drawn between the paresis of hypertonic muscle and the weakness of normal muscle, and the increased weakness of hypotonic muscle when stretched for long periods. Where there is increased tone, stretching helps. Where there is decreased tone, stretching is harmful.Physical therapy can increase the power of hypertonic muscle once the hypertonus has been modified.

ISSN:0012-1622    

DOI:10.1111/j.1469-8749.1959.tb08846.x

出版商:Blackwell Publishing Ltd    

年代:1959

数据来源: WILEY

ISSN:0012-1622    

DOI:10.1111/j.1469-8749.1959.tb08847.x

出版商:Blackwell Publishing Ltd    

年代:1959

数据来源: WILEY

ISSN:0012-1622    

DOI:10.1111/j.1469-8749.1959.tb08848.x

出版商:Blackwell Publishing Ltd    

年代:1959

数据来源: WILEY