ABSTRACT
Few reports have yet investigated adequate cognitive rehabilitation for patients with chronic cognitive disorder. In this report, we describe a case of cognitive rehabilitation 10 months after onset of cerebral infarction in the right middle cerebral artery region, resulting in a good outcome. The patient was a 44-year-old right-handed male, with primary symptoms of inattention and left hemispatial neglect. The patient had not undergone any neuropsychological evaluations or cognitive rehabilitation until 10 months after disease onset. After 30 days of both direct attention training and metacognitive strategy training, including time pressure management, improvement of his cognitive disorder was achieved. The teaching of internal methods to improve metacognition with a high level of evidence was effective even 10 months after onset. Furthermore, it is important for therapists who provide cognitive rehabilitation using metacognitive strategy training to understand patients' remaining functions based on neuropsychological assessment, and to consider and teach compensatory methods so that they can be effectively used by patients in situations of daily life.
ABSTRACT
We report a case of a 67-year-old man with left thalamic hemorrhage. He had right hemiplegia, aphasia, and higher brain dysfunction. The hemiplegia and aphasia improved with rehabilitation treatment；however, he was unable to perform activities of daily living. Visual and tactile agnosia was suspected using the visual perception test for agnosia 1 month after the hemorrhage. The patient was able to recognize common objects, such as chopsticks and a shaver, by labeling them with their names because he could read words. He was able to use these objects as a result. Multimodal agnosia with combined visual-tactile agnosia usually occurs as lesions in and around the left lateral occipital complex where the ventral stream of somatosensory information processing merges with that of visual information processing. Concurrently, the present case seems very unusual because multimodal agnosia was likely to have occurred as a lesion of the left thalamus. The compensatory strategy to put objects into words was effective in this case. We repeatedly assessed and analyzed his higher brain dysfunction in detail, which led to effective rehabilitation treatment. The present case highlights the importance of planning an appropriate treatment based on detailed evaluation and accurate diagnosis of the higher brain dysfunction in patients with neurological deficits.
ABSTRACT
We report a case of a 67-year-old man with left thalamic hemorrhage. He had right hemiplegia, aphasia, and higher brain dysfunction. The hemiplegia and aphasia improved with rehabilitation treatment；however, he was unable to perform activities of daily living. Visual and tactile agnosia was suspected using the visual perception test for agnosia 1 month after the hemorrhage. The patient was able to recognize common objects, such as chopsticks and a shaver, by labeling them with their names because he could read words. He was able to use these objects as a result. Multimodal agnosia with combined visual-tactile agnosia usually occurs as lesions in and around the left lateral occipital complex where the ventral stream of somatosensory information processing merges with that of visual information processing. Concurrently, the present case seems very unusual because multimodal agnosia was likely to have occurred as a lesion of the left thalamus. The compensatory strategy to put objects into words was effective in this case. We repeatedly assessed and analyzed his higher brain dysfunction in detail, which led to effective rehabilitation treatment. The present case highlights the importance of planning an appropriate treatment based on detailed evaluation and accurate diagnosis of the higher brain dysfunction in patients with neurological deficits.
ABSTRACT
Sepsis-associated encephalopathy(SAE) is a diffuse brain dysfunction caused by sepsis.The main clinical manifestations are abnormal mental state, high mortality and poor prognosis.At present, there is no unified diagnostic standard for SAE.The exclusion diagnosis is mainly based on clinical symptoms and signs, combined with laboratory examination and imaging auxiliary examination.Among them, brain magnetic resonance imaging and quantitative electroencephalography can early detect brain dysfunction and predict the prognosis of children, which play an important role in the early diagnosis and prognosis assessment of SAE.Cerebral oxygen monitoring can dynamically reflect the changes of brain function and can be used for long-term monitoring of children with severe brain function injury.SAE is closely associated with poor prognosis, and mortality will increase with the extention of hospitalization.Therefore, early identification of SAE is of great significance to reduce mortality.
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Objective:To observe the efficacy of 3D printing-assisted hematoma puncture and drainage in the treatment of hypertensive intracerebral hemorrhage and to explore the factors affecting postoperative brain dysfunction.Methods:A retrospective Case-control study was conducted to select 168 hypertensive intracerebral hemorrhage patients who were treated with 3D printing assisted hematoma puncture and drainage in the People′s Hospital of Yuechi County from January 2020 to September 2022 as the observation group, and 125 hypertensive intracerebral hemorrhage patients who were treated with CT guided hematoma puncture and drainage in the People′s Hospital of Yuechi County at the same time as the control group. The clinical efficacy of the two groups of patients was compared. According to the occurrence of postoperative brain dysfunction, the patients in the observation group were divided into normal brain function group ( n=121) and brain dysfunction group ( n=47). The clinical data of age, preoperative cerebral hernia, blood loss, ventilator-assisted ventilation, postoperative Glasgow coma index score (GCS) and postoperative complications were compared between the two groups. Multivariate Logistic regression was used to analyze the factors affecting postoperative brain dysfunction in the observation group, and a line chart model was constructed and its predictive efficiency was evaluated. The measurement data of normal distribution is expressed as mean ± standard deviation ( ± s), and independent sample t-test is used for inter group comparison. Chi-square test was used for comparison between count data groups. Results:The proportion of the drainage tube in the hematoma, hematoma clearance rate at 3 and 7 days after surgery, total effective rate of treatment, and GCS score at 1 week after surgery in the observation group were 88.69%(149/168), 54.17%(91/168), 96.43%(162/168), 92.86%(156/168), and 10.72±3.45, respectively, the control group was 75.20%(94/125), 36.80%(46/125), 81.60%(102/125), 76.80%(96/125), and 9.08±3.22, respectively, the difference between the two groups was statistically significant ( P<0.05). Advanced age ( OR=1.983, 95% CI: 1.169-2.732, P=0.017), preoperative cerebral hernia ( OR=1.532, 95% CI: 1.113-2.139, P=0.029), bleeding volume ≥ 50 mL ( OR=2.538, 95% CI: 1.802-3.347, P=0.003), postoperative GCS score 3-5 ( OR=2.874, 95% CI: 2.265-3.449, P<0.001), postoperative hypoxemia ( OR=2.251, 95% CI: 1.673-2.842, P=0.010) and postoperative chronic hydrocephalus ( OR=1.642, 95% CI: 1.214-2.021, P=0.022) were risk factors for postoperative brain dysfunction, while ventilator-assisted ventilation ( OR=0.656, 95% CI: 0.132-0.828, P=0.038) was protective factors. The internal verification of the line chart model by Bootstrap resampling method shows that the model has high differentiation, accuracy and validity. Conclusion:The application of 3D printing-assisted localization in hematoma puncture and drainage can improve the puncture condition and the hematoma clearance rate and clinical effect of patients with hypertensive intracerebral hemorrhage. Advanced age, preoperative cerebral hernia and bleeding volume are related to postoperative brain dysfunction. Clinical attention should be paid to patients with risk indicators of postoperative brain dysfunction.
ABSTRACT
Few reports have yet investigated adequate cognitive rehabilitation for patients with chronic cognitive disorder. In this report, we describe a case of cognitive rehabilitation 10 months after onset of cerebral infarction in the right middle cerebral artery region, resulting in a good outcome. The patient was a 44-year-old right-handed male, with primary symptoms of inattention and left hemispatial neglect. The patient had not undergone any neuropsychological evaluations or cognitive rehabilitation until 10 months after disease onset. After 30 days of both direct attention training and metacognitive strategy training, including time pressure management, improvement of his cognitive disorder was achieved. The teaching of internal methods to improve metacognition with a high level of evidence was effective even 10 months after onset. Furthermore, it is important for therapists who provide cognitive rehabilitation using metacognitive strategy training to understand patients' remaining functions based on neuropsychological assessment, and to consider and teach compensatory methods so that they can be effectively used by patients in situations of daily life.
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Objective：It is often difficult to provide effective functional training in patients with severe attention deficit caused by organic damage to the brain. Herein, we report a case of attention deficit in a patient with subarachnoid hemorrhage, which was successfully treated by virtual reality (VR)-guided rehabilitation.Methods：A 71-year-old woman was transferred to our hospital for rehabilitation after a subarachnoid hemorrhage. The patient suffered from severe attention deficit. She was unable to follow instructions from therapists and was unable to concentrate on rehabilitation tasks. We attempted VR-guided rehabilitation using mediVR KAGURA (mediVR, Toyonaka, Japan) in order to improve her attention deficit. The training was performed approximately 20 min every weekday, for 4 months in a 360-degree VR environment, with no background image initially. The difficulties in physical and cognitive tasks were adjusted by focusing on the size, range of appearance, and falling speed of each task object, so that even patients with severe attention deficit could respond to these tasks appropriately.Results：After the above-mentioned VR-guided training, the trail making test A, behavioral inattention test, and moss attention rating scale were improved from 300 s (could not complete the test）to 100 s, 119 to 133, and 55 to 98, respectively. In addition, in the clinical assessment for attention, the time required for visual obliteration tests was significantly shortened, and clinical symptoms associated with attention deficit were also improved clinically.Conclusion：VR-guided rehabilitation has the potential to be used as a new therapeutic approach to improve attention deficit.
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Fat embolism syndrome (FES) is a serious complication of orthopedic surgery. We describe a woman in her 30s, who experienced cerebral FES after extensive femoral tumor resection and intercalary endoprosthesis for a malignant soft tissue tumor of the thigh. Before the surgery, the patient was able to walk with a single axillary crutch, capable of independent self-care and had no cognitive problems. After the surgery, the patient developed respiratory and central nervous system symptoms, which are characteristic of FES. After critical care, we provided rehabilitation treatment, which included getting out of bed, basic motion training, cognitive rehabilitation treatment, and Activity of Daily Living (ADL) training. At the time of commencement of the rehabilitation treatment, the patient presented with higher brain dysfunctions, such as cognitive dysfunction (Mini Mental State Examination：MMSE score 21 points), attentional dysfunction and left unilateral spatial neglect (USN). However, apparent motor paralysis of the extremities was not detected. On the 95th day after the surgery, the patient's MMSE score was 29 points, and the attentional dysfunction and USN were resolved. Additionally, the patient was again able to walk with axillary crutch. Six months after the surgery, the patient could walk independently without the aid of a crutch. One year after the surgery, the patient's reinstated to work. Cerebral FES may be accompanied with higher brain dysfunction；present a variety of higher brain dysfunctions；however, the symptoms may be reversible and resolved with rehabilitation treatment.
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Since foreign patients may have inadequate Japanese language proficiency, rehabilitation techniques and evaluations of the higher brain and language function are often challenging. Here, we report a Hongkongese patient who suffered from higher brain dysfunction and dysgraphia after brain surgery. The patient was a 29-year-old left-handed man admitted to the Osaka International Cancer Institute for surgical resection of a choroid plexus tumor located on the trigone in the right lateral ventricle. Since the patient's mastery of the Japanese language was poor on preoperative evaluation, we partially evaluated his higher brain functions in Cantonese and English. However, he experienced left hemispatial neglect and spatial dysgraphia on postoperative day (POD) 2. On POD 48, his spatial dysgraphia (mainly in Cantonese) and higher brain functions improved with rehabilitation treatment, which involved verbal and non-verbal techniques such as task presentation and pointing. Although rehabilitation tasks and techniques are difficult due to language barriers, non-verbal techniques can be effective in providing treatment. Furthermore, it is important to evaluate the patient's language proficiency on preoperative assessment, especially in non-native Japanese speakers.
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Objective：It is often difficult to provide effective functional training in patients with severe attention deficit caused by organic damage to the brain. Herein, we report a case of attention deficit in a patient with subarachnoid hemorrhage, which was successfully treated by virtual reality (VR)-guided rehabilitation.Methods：A 71-year-old woman was transferred to our hospital for rehabilitation after a subarachnoid hemorrhage. The patient suffered from severe attention deficit. She was unable to follow instructions from therapists and was unable to concentrate on rehabilitation tasks. We attempted VR-guided rehabilitation using mediVR KAGURA (mediVR, Toyonaka, Japan) in order to improve her attention deficit. The training was performed approximately 20 min every weekday, for 4 months in a 360-degree VR environment, with no background image initially. The difficulties in physical and cognitive tasks were adjusted by focusing on the size, range of appearance, and falling speed of each task object, so that even patients with severe attention deficit could respond to these tasks appropriately.Results：After the above-mentioned VR-guided training, the trail making test A, behavioral inattention test, and moss attention rating scale were improved from 300 s (could not complete the test) to 100 s, 119 to 133, and 55 to 98, respectively. In addition, in the clinical assessment for attention, the time required for visual obliteration tests was significantly shortened, and clinical symptoms associated with attention deficit were also improved clinically.Conclusion：VR-guided rehabilitation has the potential to be used as a new therapeutic approach to improve attention deficit.
ABSTRACT
Fat embolism syndrome (FES) is a serious complication of orthopedic surgery. We describe a woman in her 30s, who experienced cerebral FES after extensive femoral tumor resection and intercalary endoprosthesis for a malignant soft tissue tumor of the thigh. Before the surgery, the patient was able to walk with a single axillary crutch, capable of independent self-care and had no cognitive problems. After the surgery, the patient developed respiratory and central nervous system symptoms, which are characteristic of FES. After critical care, we provided rehabilitation treatment, which included getting out of bed, basic motion training, cognitive rehabilitation treatment, and Activity of Daily Living (ADL) training. At the time of commencement of the rehabilitation treatment, the patient presented with higher brain dysfunctions, such as cognitive dysfunction (Mini Mental State Examination：MMSE score 21 points), attentional dysfunction and left unilateral spatial neglect (USN). However, apparent motor paralysis of the extremities was not detected. On the 95th day after the surgery, the patient’s MMSE score was 29 points, and the attentional dysfunction and USN were resolved. Additionally, the patient was again able to walk with axillary crutch. Six months after the surgery, the patient could walk independently without the aid of a crutch. One year after the surgery, the patient’s reinstated to work. Cerebral FES may be accompanied with higher brain dysfunction；present a variety of higher brain dysfunctions；however, the symptoms may be reversible and resolved with rehabilitation treatment.
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Objective：To investigate the living conditions of patients who had experienced childhood onset of higher brain dysfunction and determine their problems with respect to diagnosis, school re-enrollment, and employment.Subjects and Methods：A retrospective investigation was performed in 196 subjects (122 men and 74 women) enrolled in the seven supporting centers in Japan for patients with higher brain dysfunction who were injured (or developed primary diseases) and diagnosed with higher brain dysfunction under 18 years old, and were not older than 40 at the time of investigation.Results：Primary diseases included traumatic brain injury (109 patients), cerebrovascular disease (35), encephalitis/encephalopathy (27), brain tumor (17), and brain hypoxia (8). Forty-two patients (21％) were diagnosed with higher brain dysfunction ≥1 year after brain damage and 64 (33％) started receiving support ≥1 year after brain damage. Of those who were re-enrolled in schools, 6％ left high schools and 17％ left colleges before graduation, mainly because of maladjustment to school life. Thirty-three (47.8％) among 69 patients who were ≥20 years were employed at the time of investigation, and 19％ were living on remuneration alone.Conclusion：To resolve problems in patients with childhood-onset higher brain dysfunction, it is necessary to establish early diagnosis as well as collaboration systems among medical, educational, and welfare institutions to support these patients.
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Objective：To investigate the living conditions of patients who had experienced childhood onset of higher brain dysfunction and determine their problems with respect to diagnosis, school re-enrollment, and employment.Subjects and Methods：A retrospective investigation was performed in 196 subjects (122 men and 74 women) enrolled in the seven supporting centers in Japan for patients with higher brain dysfunction who were injured (or developed primary diseases) and diagnosed with higher brain dysfunction under 18 years old, and were not older than 40 at the time of investigation.Results：Primary diseases included traumatic brain injury (109 patients), cerebrovascular disease (35), encephalitis/encephalopathy (27), brain tumor (17), and brain hypoxia (8). Forty-two patients (21％) were diagnosed with higher brain dysfunction ≥1 year after brain damage and 64 (33％) started receiving support ≥1 year after brain damage. Of those who were re-enrolled in schools, 6％ left high schools and 17％ left colleges before graduation, mainly because of maladjustment to school life. Thirty-three (47.8％) among 69 patients who were ≥20 years were employed at the time of investigation, and 19％ were living on remuneration alone.Conclusion：To resolve problems in patients with childhood-onset higher brain dysfunction, it is necessary to establish early diagnosis as well as collaboration systems among medical, educational, and welfare institutions to support these patients.
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The central nervous system ( CNS) complications and peripheral nervous system ( PNS) complications are common complications of sepsis. CNS complications include sepsis associated encephalopathy (SAE),septic-metastatic encephalitis (SME),and septic-embolic encephalitis (SEE). Of them,the SAE is the most common complication of CNS complications. PNS complications include critical illness polyneuropathy (CIP) and critical illness myopathy (CIM). CIP and CIM could lead to muscle weakness and dependence on mechanical ventilation of patients with sepsis. Sepsis related neurological complications are closely related to the mortality and prognosis of patients,so early recognition and timely intervention are important.
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El periodo neonatal corresponde a una etapa en el desarrollo en el que las convulsiones constituyen la expresión clínica de disfunción del sistema nervioso central. Estas se manifiestan por una alteración en la función neurológica que puede ser motora, autonómica, de la conducta o una combinación de ellas. Dado que en este periodo el desarrollo anatómico, bioquímico y fisiológico, presentan características muy diferentes al desarrollo del niño mayor, las convulsiones pueden ser muy difíciles de identificar y pueden confundirse con eventos clínicos paroxísticos no epilépticos del recién nacido. Lo anterior se explica porque las convulsiones presentan patrones poco organizados, suelen no ser bien definidas y el registro electroencefalográfico es diferente al del niño mayor. En su mayoría las CN son secundarias a una etiología específica, por lo que es indispensable encontrar la causa lo cual se encuentra fuertemente relacionado al pronóstico. También es necesario diferenciar los eventos no epilépticos, para un óptimo manejo. Palabras clave: convulsiones neonatales, newborn, seizures, non epileptic seizures, disfunción cerebral.
The neonatal period corresponds to a developmental stage in which seizures are the clinical expression of central nervous system dysfunction. These are manifested by a change in neurological function that can be motor, autonomic, behavior or a combination of them.Given that in this period the anatomical, biochemical and physiological development present with very different characteristics to those of the older child, seizures can be very difficult to identify, and can be confused with paroxysmal non epileptic clinical events of the newborn. This is explains why seizures have little organized patterns are often not well defined and the Electroencephalographic record is different from that found in the older child. For the most part, neonatal seizures are secondary to a specific etiology, so it is essential to find the cause, which is strongly related to the prognosis. It is also necessary to differentiate non-epileptic events, for optimal handling. Key words: Neonatal seizures, neonatal, non epileptic seizures, brain dysfunction.
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Objective To observe and evaluate the predictive value of electroencephalogram (EEG) abnormalities of the EEG monitoring of patients with brain dysfunction in the intensive care unit (ICU).Methods Total of 58 cases with brain dysfunction under EEG were collected from the ICU of the XiangYa Hospital,Central South University from January 2014 to December 2015.EEG was performed to monitor those patients and data was collected,analyzed and classified according to both Synek and Young EEG scales to evaluate its predictive value.The statistical analysis was performed with SPSS 23.0 software (MAC,USA) and statistical significant was considered as P ＜0.05.Numerical values were given as means ± SD and t-test was performed to compare data of different groups.Kaplan-Meier survival estimator was used to draw the survival curve,and the survival analysis was postulated by COX regression analysis.Results Data from 58 patients were collected and classified according to both Synek and Young EEG scales,positive waveforms as periodic discharge or delta-predominant background were found among 50 patients,electrographic seizures were found in 7 patients,patients with EEG abnormality possessed a high level of SI00β and showed statistical differences.The 28-day mortahty was independently associated with Acute Physiology and Chronic Health Evaluation (APACHE]] score) (OR:1.08;95％ CI [1.03 to 1.14])、Synek Grade ＞2 (OR:0.17;95％ CI [0.03 to 0.80])、electrographic seizures (OR:23.70;95％ CI [2.02 to 277.73]) and slow rhythm (OR:8.54;95％ CI [1.72 to 42.32]).Conclusions The 28-day mortality of patients under EEG with brain dysfunction was independently associated with Synek Grade ＞ 2,electrographic seizures and slow EEG rhythm.
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Abstract Objective: Hyperprolinemia type I (HPI) is a rare and inherited autosomal recessive disorder caused by proline oxidase deficiency. Hyperprolinemia type 1 is biochemically defined as high plasma proline levels without urinary ?-1-pyrroline-5-carboxylate excretion. Hyperprolinemia type 1 has been considered a benign metabolic disorder, but a relationship with neurological disorders has recently been suggested. Study Design: We retrospectively analyzed plasma amino acid values obtained by amino acid analysis from 10 030 children admitted for neurological reasons during the years 1996 to 2010 at the Regional Sicilian Centre for Metabolic Diseases. Patients with proline levels above the normal range of 129 to 245 ?M were identified. Results: Only 2 children showed high levels of proline (450-480 ?M and 380-470 ?M, respectively), but their disorders (tubercular neuroencephalitis and progressive mitochondrial encephalopathy) did not seem to be related to hyperprolinemia as a causative factor. Conclusion: The question of HPI as benign metabolic anomaly or as a direct cause of brain damage is still open. Since HPI is rare, other observations on this regard are necessary.
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Septic encephalopathy( SE) is defined as diffuse brain dysfunction that related to systemic inflammatory response and without clinical or laboratory evidence of central nervous system infection.SE is one of the most common complications of patients with severe sepsis.Its pathogenesis is very complex and is not yet clear.The clinical manifestations of SE varied and have no specificity, mainly for changes of con-sciousness and mental status.The performance of electroencephalography is more sensitive,and is associated with prognosis.Somatosensory evoked potentials could display the damage of cortical or subcortical path-ways.Brain MRI has a more accurate assessment of the nature and the extent of brain damage.SE is a diag-nosis of exclusion.Before the diagnosis of SE,we need to exclude other encephalitis and encephalopathy.The morbidity and mortality of SE are high.It requires close attention,early detection and timely treatment.
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We report five cases of anti-<i>N</i>-methyl-D-aspartate receptor (NMDAR) encephalitis. Five women (27-38 years), Who-presented with psychiatric symptoms, neurological complications, and decreased consciousness, were diagnosed with anti-NMDAR encephalitis after testing positive for serum anti-NMDAR antibodies. The mean（±SD）for hospitalization duration was 272.4（±144.8)days. All patients presented with respiratory failure due to central hypoventilation and required mechanical ventilation for 50.2（±13.1）days on average. Four patients showed no abnormal findings upon brain MRI, one showed high intensity lesions in the right temporal cortex and bilaterally in the hippocampus on T2 weighted images. Higher brain function assessment revealed an overall decrease in intelligence, attention, memory, and executive function in all patients. Temporal assessments revealed progressive improvement in these dysfunctions over several years. Four patients presented with deep venous thrombosis, articular contracture, ectopic ossification, and compression paralysis during the first immobility episode. Two had severely impaired communication and ability to perform activities of daily living when admitted for rehabilitation. However, eventually all the patients attained a premorbid state.<br> Anti-NMDAR encephalitis possibly results from reversible synaptic dysfunction；therefore, it has a better functional prognosis compared with classical limbic encephalitis and other paraneoplastic neurologic syndromes. Previous studies found abnormalities in the limbic area on MRI in about 25％ of patients, although other findings were non-specific. Prevention of disuse syndrome due to prolonged immobility is important in acute phase rehabilitation. Our study shows that long-term temporal assessments of higher brain function are necessary and useful in the chronic stage.
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OBJECTIVES: To investigate cognition, social adaptive functioning, behavior, and emotional development in the preschool period and to determine the effects of the age of onset of walking on those developmental areas in children who were born preterm without major neurodevelopmental impairments (NDI) early in life. METHODS: Fifty-eight children who were born preterm without major NDI early in life participated in this study. The Korean versions of the Wechsler Preschool and Primary Scale of Intelligence or the Bayley Scales of Infant Development, the social maturity scale, the Korean version of the Child Behavior Checklist (CBCL), Conners' abbreviated parent/teacher rating scale, the Childhood Autism Rating Scale, and a speech developmental test were administered. The participants were divided into two groups: early walkers (group A) and late walkers (group B). RESULTS: The full-scale intelligence quotient (IQ) and performance IQ were significantly lower in group B than in group A, while the verbal IQ did not differ significantly between the groups. The children in group B had greater risks of cognitive deficits than did the children in group A, especially in performance skills. The social quotient (SQ) was significantly lower in group B than in group A (p<0.05). The rates of mild or significant deficits based on SQ and the CBCL did not differ significantly between the groups. Four children in group A and one child in group B had attention/hyperactivity problems. One child in group A had autistic behavior. Only one child in group B showed a significant speech developmental delay. CONCLUSIONS: Problems in cognition, social adaptive functioning, and emotional and behavioral development can occur in children without major NDI early in life. Late walkers had significantly lower scores in cognition and social adaptive functioning than did early walkers.