Published in Nat New Biol on February 10, 1971
A motivational view of learning, performance, and behavior modification. Psychol Rev (1974) 2.58
[Listeriosis in children]. Z Arztl Fortbild (Jena) (1990) 1.38
Response to different degrees of novelty: the incidence of various activities. J Exp Anal Behav (1958) 1.35
Multiple sclerosis in twins. Neurology (1980) 1.26
Serotonin as a differentiation signal in early neurogenesis. Dev Neurosci (1978) 1.20
Familial multiple sclerosis: clinical, histocompatibility, and viral serological studies. Ann Neurol (1978) 1.09
The evolution of metabolic cycles. Nature (1981) 1.04
Progressive increase in cerebrospinal fluid measles antibody levels in subacute sclerosing panencephalitis. Pediatrics (1971) 0.98
Roles for serotonin in neuroembryogenesis. Adv Exp Med Biol (1981) 0.93
Differential hemispheric processing of faces: methodological considerations and reinterpretation. Psychol Bull (1981) 0.92
[Giant cell tumors of the sacrum (author's transl)]. Arch Orthop Trauma Surg (1978) 0.90
Diagnosis of subacute panencephalitis. The value and availability of measles antibody determinations. JAMA (1974) 0.88
Responses of amygdala single units to odors in the rat. Exp Neurol (1972) 0.88
Effects of p-chlorophenylalanine on time of neuronal origin during embryogenesis in the rat. Brain Res (1976) 0.87
Folding of homologous proteins. The refolding of different ribonucleases is independent of sequence variations, proline content and glycosylation. J Mol Biol (1983) 0.85
Management of pathologic fractures of long bones in malignant disease. Arch Orthop Trauma Surg (1978) 0.84
[Treatment of pathological fractures]. Hefte Unfallheilkd (1975) 0.83
Roles for serotonin in neurogenesis. Monogr Neural Sci (1983) 0.83
Some mechanisms of cerebellar foliation: effects of early hypo- and hyperthyroidism. Brain Res (1974) 0.83
Influence of coenzyme on the refolding and reassociation in vitro of glyceraldehyde-3-phosphate dehydrogenase from yeast. Eur J Biochem (1979) 0.83
A unfied interpretation of emotion and motivation. Ann N Y Acad Sci (1969) 0.83
Respiratory syncytial virus infection: its role in aeroallergen sensitization during the first two years of life. Pediatr Allergy Immunol (1996) 0.82
Native-like folding intermediates of homologous ribonucleases. Biochemistry (1985) 0.82
In vivo and in vitro development of serotonergic neurons. Brain Res Bull (1983) 0.82
[Surgical management of femoral neck fractures]. Arch Orthop Unfallchir (1972) 0.80
[Functional results following conservative and surgical therapy of pathologic fractures in malignant diseases]. Langenbecks Arch Chir (1986) 0.80
[The significance of individual patient characteristics for loading capacity and deformation of the proximal end of the femur]. Unfallchirurg (1990) 0.80
Motivational effects of rewarding intracranial stimulation. Nature (1967) 0.79
Decreased serotonin content of embryonic raphe neurons following maternal administration of p-chlorophenylalanine: a quantitative immunocytochemical study. Brain Res (1985) 0.79
Deprenyl in Parkinson disease. Neurology (1981) 0.79
Maternal influences on tryptophan hydroxylase activity in embryonic rat brain. Dev Neurosci (1981) 0.78
A rapid DNA probe test for detecting human papilloma virus types 6/11 and 16 in biopsy specimens. Mol Cell Probes (1989) 0.78
Family and twin studies in multiple sclerosis. Ann N Y Acad Sci (1984) 0.78
Transcatheter closure of muscular ventricular septal defects in two patients after myocardial infarction. J Interv Cardiol (2001) 0.77
Techniques for laparoscopic cholangiography and removal of common duct stones. Surg Endosc (1992) 0.77
Nature of positive and negative incentive-motivational effects on general activity. J Comp Physiol Psychol (1967) 0.77
Conditioned incentive motivation, spontaneous behaviour, and inhibition of delay. Can J Psychol (1968) 0.77
Metabolic and endocrine aspects of the ventromedial hypothalamic syndrome in the rat. J Comp Physiol Psychol (1974) 0.77
Barbiturate-induced dissociation of acquisition and extinction: role of movement-initiating processes. J Comp Physiol Psychol (1965) 0.76
Hypothalamic knife cuts: effects on eating, drinking, irritability, aggression, and copulation in the male rat. J Comp Physiol Psychol (1972) 0.76
Cloning and analysis of a human 86-kDa heat-shock-protein-encoding gene. Gene (1989) 0.76
Hypothalamic and midbrain neural pathways involved in eating, drinking, irritability, aggression, and copulation in rats. J Comp Physiol Psychol (1973) 0.76
Interdisciplinary rehabilitation of the laryngectomee. Recent Results Cancer Res (1991) 0.76
Rewarding intracranial stimulation, movement and the hippocampal theta rhythm. Physiol Behav (1970) 0.75
Rate enhancement of reconstitution of glyceraldehyde-3-phosphate dehydrogenase by a covalently bound coenzyme analog. Proc Natl Acad Sci U S A (1980) 0.75
[The non-ossifying bone fibroma]. Arch Orthop Unfallchir (1967) 0.75
[Aspects on giving advice to parents (author's transl)]. Offentl Gesundheitswes (1978) 0.75
[Subjective, objective and mammographic late results following reduction mammoplasty]. Zentralbl Chir (1992) 0.75
[Late sequelae of infantile brain damage and therapeutic possibilities]. Med Welt (1972) 0.75
[Clinical and mammographic late results following Strömbeck breast reduction-plasties]. Langenbecks Arch Chir (1986) 0.75
[Comparative studies on fibrinolytic activity in healthy subjects and patients with arterial and venous vascular disorders]. Verh Dtsch Ges Inn Med (1975) 0.75
Wie ich aus Deutschland vertrieben wurde: Dokumente mit Kommentaren. Medizinhist J (1980) 0.75
["Mentally handicapped"--diagnosis for the determination of human inferiority?]. ZFA (Stuttgart) (1983) 0.75
[Present problems of the mentally handicapped (author's transl)]. MMW Munch Med Wochenschr (1980) 0.75
[Experiences with therapy of 350 cases of Dupuytren's contraction (author's transl)]. Langenbecks Arch Chir (1975) 0.75
[Radiography in operating rooms. Experiences in a surgical university-clinic]. Radiologe (1971) 0.75
[Angiographic evidence of a bleeding neurinoma in the small intestine]. Dtsch Med Wochenschr (1967) 0.75
[Hypotheses in psychotherapy for children]. Z Krankenpfl (1969) 0.75
[Therapy of shaft fracture and trochanter fracture on the same femur]. Monatsschr Unfallheilkd Versicher Versorg Verkehrsmed (1969) 0.75
On the biology of juvenile delinquency: comments on the essay by Felton Earls, "The social reconstruction of adolescence: toward an explanation for increasing rates of violence in youth". Perspect Biol Med (1980) 0.75
[Kidney transplantation. Report on experience with the Heidelberg transplantation program 1967-68]. Munch Med Wochenschr (1968) 0.75
[Partnership, sexuality and contraception in mentally handicapped humans]. Fortschr Med (1985) 0.75
[Isolation of foot-and-mouth-disease virus from organs of infected, slaughtered sheep]. Berl Munch Tierarztl Wochenschr (1974) 0.75
[Tumors of the sacrococcygeal region (author's transl)]. Arch Orthop Trauma Surg (1979) 0.75
Proliferation of norepinephrine-containing axons in rat cerebellar cortex after peduncle lesions. Brain Res (1973) 0.75
[Therapy of medial femoral neck fracture--experiences in 106 fractures treated with the angular plate]. Monatsschr Unfallheilkd Versicher Versorg Verkehrsmed (1970) 0.75
Neural correlates of discriminative conditioning: separation of associational and motivational processes. Brain Res (1976) 0.75
The nature od dissociation: effects of transitions between normal and barbiturate-induced states on reversal learning and habituation. Psychopharmacologia (1967) 0.75
[Parents and family problems in inhibited children from the viewpoint of the therapist or special teacher]. Nervenarzt (1970) 0.75
[Presacral tumors]. Zentralbl Chir (1979) 0.75
Judgments of sameness and difference: experiments on decision time. Science (1965) 0.75
[The problem of information on behavior in childhood]. Prax Kinderpsychol Kinderpsychiatr (1967) 0.75
[Directions for the surgical treatment of breast carcinoma]. Chirurg (1975) 0.75
Man-made chemicals and our milieu interieur: a preliminary report from the special commission on internal pollution. Experientia (1975) 0.75
[Haemophilia patients in Germany 2008/2009. Morbidity and mortality]. Hamostaseologie (2010) 0.75
[Benign tumors of the esophagus]. Chirurg (1966) 0.75
[Proceedings: Osteosynthesis in pathological thigh fractures]. MMW Munch Med Wochenschr (1975) 0.75
Citric acid cycle: a chemical reaction for life. Nurs Mirror (1979) 0.75
[Basic guidance of parents of disabled children from the angle of the child and adolescent psychiatrist (author's transl)]. Offentl Gesundheitswes (1978) 0.75
[Significance of postpponed primary surgery in the treatment of infected hand injuries]. Hefte Unfallheilkd (1970) 0.75
[Causes of death in patients with haemophilia in Germany 2006/2007]. Hamostaseologie (2008) 0.75
Discriminability and central intermittency in same-different judgements. Q J Exp Psychol (1968) 0.75
Effects of additional cues on passive avoidance learning and extinction in rats with hippocampal lesions. Physiol Behav (1976) 0.75
[Integration of the mentally handicapped (author's transl)]. MMW Munch Med Wochenschr (1981) 0.75
Angiographic demonstration of a bleeding neurinoma of the small intestine. Ger Med Mon (1968) 0.75
[Fractures of the pelvic girdle and their complications]. Hefte Unfallheilkd (1975) 0.75
[Surgical treatment of radiation injuries of the skin]. Bruns Beitr Klin Chir (1971) 0.75
The generality of the incentive-motivational effects of classically conditioned stimuli in instrumental learning. Acta Biol Exp (Warsz) (1967) 0.75
[On the surgical treatment of esophageal carcinoma. Report on 468 cases]. Bruns Beitr Klin Chir (1965) 0.75
[Support in living]. Diskussionsforum Med Ethik (1993) 0.75
[The dynamic strength of unstable trochanteric fractures following valgisation osteosynthesis without medial displacement (author's transl)]. Unfallheilkunde (1979) 0.75
[Study of the correlation between early and late changes in the roentgenologic and functional status following conservative and surgical treatment of the head of the tibia]. Unfallchirurgie (1987) 0.75
[Delayed primary care; clinical, animal experimental, bacteriological and histological results of investigations]. Langenbecks Arch Chir (1965) 0.75
Ape language. Science (1981) 0.75
Memory mechanisms in instrumental responding. Science (1973) 0.75
[Juvenile bone cyst. Diagnosis, therapy and late results]. Bruns Beitr Klin Chir (1973) 0.75
Folding kinetics of mammalian ribonucleases. FEBS Lett (1986) 0.75
[Surgical stabilization of pathologic fractures. Effect on longevity and quality of life]. Versicherungsmedizin (1988) 0.75
[The significance of the psychomotor and motor coordination in regards to the disabled (author's transl)]. Offentl Gesundheitswes (1974) 0.75
[3-stage plan in nursing education]. Agnes Karll Schwest Krankenpfleger (1969) 0.75