S Uematsu, N Chapanis, G Gucer, B Konigsmark, A E Walker
In patients undergoing thalamotomy for intractable pain, multi-contact platinum electrodes were stereotaxically implanted so that the striate cortex and geniculocalcarine tract could be stimulated to evaluate the feasibility of a visual prosthesis. The parameters of stimulation were 50–300 Hz, 0.1–1 msec pulse duration and 0.1–5 mA/phase. Phosphenes were evoked in 7 out of the 17 cases studied. The projection in space of the phosphene depended upon the site of stimulation. The configuration, color and brightness of the phosphene varied from a simple white or colored light to occasionally a multicolored complex pattern. Some phosphenes appeared to blink or flutter, some were stable in position, others appeared to move away radially from the fixation point. Histological studies on 6 of the brains suggested that the phosphenes were more often evoked from the striate cortex than from the geniculocalcarine fibers.
{"title":"Electrical stimulation of the cerebral visual system in man.","authors":"S Uematsu, N Chapanis, G Gucer, B Konigsmark, A E Walker","doi":"10.1159/000102790","DOIUrl":"https://doi.org/10.1159/000102790","url":null,"abstract":"In patients undergoing thalamotomy for intractable pain, multi-contact platinum electrodes were stereotaxically implanted so that the striate cortex and geniculocalcarine tract could be stimulated to evaluate the feasibility of a visual prosthesis. The parameters of stimulation were 50–300 Hz, 0.1–1 msec pulse duration and 0.1–5 mA/phase. Phosphenes were evoked in 7 out of the 17 cases studied. The projection in space of the phosphene depended upon the site of stimulation. The configuration, color and brightness of the phosphene varied from a simple white or colored light to occasionally a multicolored complex pattern. Some phosphenes appeared to blink or flutter, some were stable in position, others appeared to move away radially from the fixation point. Histological studies on 6 of the brains suggested that the phosphenes were more often evoked from the striate cortex than from the geniculocalcarine fibers.","PeriodicalId":10627,"journal":{"name":"Confinia neurologica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000102790","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15697347","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Connections of the basal ganglia and of the cerebellum.","authors":"W R Mehler, W J Nauta","doi":"10.1159/000102797","DOIUrl":"https://doi.org/10.1159/000102797","url":null,"abstract":"","PeriodicalId":10627,"journal":{"name":"Confinia neurologica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000102797","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15264490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Functional aspects of, and the role of transmitter in, the basal ganglia.","authors":"M Yoshida","doi":"10.1159/000102802","DOIUrl":"https://doi.org/10.1159/000102802","url":null,"abstract":"","PeriodicalId":10627,"journal":{"name":"Confinia neurologica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000102802","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15264494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Cytological changes in the cerebrospinal fluid following intrathecal methotrexate treatment. I. Observations in adult meningeal leukemia.","authors":"A Péter","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":10627,"journal":{"name":"Confinia neurologica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15635623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This study is based upon a retrospective analysis of behavior in 34 patients who had thalamotomy for seizure, motor and sensory disorders. Unilateral single lesions, especially in the medial part of the center median nucleus, improved aggression more than hyperkinesia and patho-affect. Bilateral lesions in the center median nucleus resulted in maximum improvement for the three categories of behavior, aggression, hyperkinesia and patho-affect.
{"title":"Behavioral changes of correlated with thalamotomy site.","authors":"O J Andy, M F Jurko, L P Giuritano","doi":"10.1159/000102789","DOIUrl":"https://doi.org/10.1159/000102789","url":null,"abstract":"This study is based upon a retrospective analysis of behavior in 34 patients who had thalamotomy for seizure, motor and sensory disorders. Unilateral single lesions, especially in the medial part of the center median nucleus, improved aggression more than hyperkinesia and patho-affect. Bilateral lesions in the center median nucleus resulted in maximum improvement for the three categories of behavior, aggression, hyperkinesia and patho-affect.","PeriodicalId":10627,"journal":{"name":"Confinia neurologica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000102789","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15920438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The authors have attempted to confirm, on the basis of clinicopharmacological research, the action of dopa on sleep stages and sleep organization; this was then well studied in laboratory researches.
{"title":"Clinical pharmacology as an approach to the study of biochemical sleep mechanisms: the action of L-dopa.","authors":"P Bergonzi, C Chiurulla, C Cianchetti, E Tempesta","doi":"10.1159/000102780","DOIUrl":"https://doi.org/10.1159/000102780","url":null,"abstract":"The authors have attempted to confirm, on the basis of clinicopharmacological research, the action of dopa on sleep stages and sleep organization; this was then well studied in laboratory researches.","PeriodicalId":10627,"journal":{"name":"Confinia neurologica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000102780","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15469878","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Light and electron microscopical studies of the normal structure and main afferent connections of the nuclei ventralis lateralis and ventralis anterior thalami of the cat.","authors":"I Grofová, E Rinvik","doi":"10.1159/000102800","DOIUrl":"https://doi.org/10.1159/000102800","url":null,"abstract":"","PeriodicalId":10627,"journal":{"name":"Confinia neurologica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000102800","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15563170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
E I Kandel, M A Aizerman, E A Andreeva, L A Tenenbaum, E I Shafranova
{"title":"Interrelations of resting, postural and action tremor in parkinsonian patients before and after surgery.","authors":"E I Kandel, M A Aizerman, E A Andreeva, L A Tenenbaum, E I Shafranova","doi":"10.1159/000102812","DOIUrl":"https://doi.org/10.1159/000102812","url":null,"abstract":"","PeriodicalId":10627,"journal":{"name":"Confinia neurologica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000102812","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15563171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Review of parkinsonian patients treated surgically and by L-dopa.","authors":"K Nittner","doi":"10.1159/000102813","DOIUrl":"https://doi.org/10.1159/000102813","url":null,"abstract":"","PeriodicalId":10627,"journal":{"name":"Confinia neurologica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"1974-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000102813","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15563173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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