Cognitive Defect & EEG Slowing & Memory Impairment: Causes & Reasons

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Patient File

Sex unknown, Age unknown

Reported Symptoms

Cognitive Defect, EEG Slowing, Memory Impairment,

Negated

None

Unsure

None

Possible Causes

Brain Concussion

Deficits in working memory can impair a person's ability do everyday things, such as multitasking, Ellemberg said. [livescience.com]

F06.7 경도인식 장애(Mild cognitive disorder) 장애는 기억의 손상, 학습곤란에 의해서 특징이 나타나고 장기 직무에 대한 집중능력을 감소시킨다. [dic.impact.pe.kr]

[…] in cognition, vision, equilibrium. [medical-dictionary.thefreedictionary.com]

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Alzheimer Disease

The MCI patients showed impairment of everyday memory tasks requiring delayed recall. [dx.doi.org]

Case Western Reserve researchers discover FDA-approved drug rapidly clears amyloid from the brain and reverses cognitive defects. [neurosciencenews.com]

disorder. [ncbi.nlm.nih.gov]

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Anti-NMDA Receptor Encephalitis

The patient exhibited a severe short-term episodic memory impairment and psychiatric symptoms. [ncbi.nlm.nih.gov]

SIGNIFICANCE: Diffuse slowing was the most common presentation on the EEG in patients with anti-NMDAR encephalitis. [ncbi.nlm.nih.gov]

NMDAR dysfunction has been implicated in several other cognitive disorders, including schizophrenia ( Olney and Farber, 1995 ; Gunduz-Bruce, 2009 ). [doi.org]

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Dementia

The mechanisms underlying age-associated memory impairment are, however, not understood. [ncbi.nlm.nih.gov]

In patients with delirium, the EEG shows a diffuse slowing of the background rhythm. An exception is patients with delirium tremens, where the EEG shows fast activity. [web.archive.org]

In this case of dementia and major cognitive disorder post major surgery and anesthesia, the very beneficial effect of combining hyperbaric oxygen therapy with perispinal [ncbi.nlm.nih.gov]

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Metabolic Encephalopathy

With prompt thiamine, symptoms may clear within a few days, but 25 % develop korsakoff's psychosis with permanent memory impairments. ...Read more See 1 more doctor answer [healthtap.com]

Confusion, seizures, slow EEG with triphasic waves, peripheral asterixis, and myoclonus Polyneuropathy seen in hepatic disease is often associated with what? [cram.com]

[…] memory deficit with preservation of remote memory and out of proportion to other cognitive defects. [dartmouth.edu]

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Stroke

Memory impairments are common after stroke, and the anatomical basis for impairments may be quite variable. [ncbi.nlm.nih.gov]

Deep Belief Networks Based Brain Activity Classification Using EEG from Slow Cortical Potentials in Stroke. [dergipark.org.tr]

disorders. [henryford.com]

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Traumatic Brain Injury

RATIONALE: We report on a patient who showed delayed degeneration of the left fornical crus with verbal memory impairment following mild traumatic brain injury (TBI), which [ncbi.nlm.nih.gov]

These may include motor dysfunction (paralysis, balance or gait abnormalities), cognitive impairment (amnesia, disorientation, confusion), speech defects (aphasia, dysphasia [symptoma.com]

In this study, PTE was not associated with cognitive disorders.] [ PubMed ] [ Google Scholar ] 10. Chiang MF, Chang JG, Hu CJ. [ncbi.nlm.nih.gov]

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Pineal Gland Cyst

Other findings include vision difficulties, double vision, concentration difficulties, memory impairment and altered states of consciousness. [pacificneuroscienceinstitute.org]

Symptoms in children and adults may include headaches, nausea, fatigue, visual impairments, double vision, memory problems, and seizures. [skullbaseinstitute.com]

Larger cysts can cause a number of symptoms, the severity of which is dependent upon the size and include: Headaches Nausea Seizures Vision impairment Drowsiness and fatigue [utphysicians.com]

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Hydrocephalus

Further deficits include difficulty managing finances, taking medications, driving, keeping track of appointments, daytime sleeping, short-term memory impairments, and psychomotor [en.wikipedia.org]

Infection can lead to long term cognitive defects, neurological problems, and in some cases death. [en.wikipedia.org]

This can cause a number of long-term complications, such as: learning disabilities impaired speech memory problems short attention span problems with organisational skills [nhs.uk]

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Neurosyphilis

Assessment of memory revealed a severe verbal learning impairment with an extremely low ability to retain new information. [doi.org]

EEG showed generalized slowing and epileptiform discharges. At first, symptomatic epilepsy in the context of alcoholism was suspected. [semanticscholar.org]

In patients with general paresis (parenchymatous syphilis), MRI scans appear to correlate with the psychiatric and cognitive disorders, being described cerebral atrophy (in [tmj.ro]

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Wernicke Encephalopathy

Cognitive assessment revealed severe impairment of memory, attention, and logical and executive abilities. [ncbi.nlm.nih.gov]

[…] generalized slowing, consistent with brain injury. [path.upmc.edu]

Meanwhile, his clinical condition progressively worsened and he developed a rapidly progressive cognitive disorder, mutism and myoclonus of the muscles. [ncbi.nlm.nih.gov]

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Rasmussen Syndrome

Progressive weakness on one side (hemiparesis) and thinking/memory impairment are common. [epilepsy.com]

The EEG demonstrated slow base activity with delta waves in the right cerebral hemisphere. [smjournals.com]

It usually presents with intractable focal epilepsy and cognitive defects in children. [ncbi.nlm.nih.gov]

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Hypoglycemia

They consist of fatigue, irritability, nervousness, depression, insomnia, flushing, impaired memory and concentration. [fibromyalgiatreatment.com]

There is a clear association between severe hypoglycemia and cognitive disorders, but the nature of this relationship remains unclear. [guidelines.diabetes.ca]

It may produce confusion, irritation, inability to concentrate, headache, lightheadedness, memory loss, numbness of the lips and tongue, slurred speech, lack of coordination [intechopen.com]

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Vascular Dementia

impairment and other deficits to meet operationalized criteria for dementia, and (3) the use of limited test batteries whose psychometric properties are incompletely understood [ncbi.nlm.nih.gov]

Using ANOVA, linear spectral power including relative powers (RP) and power ratio were calculated to test whether the EEG dominant frequencies were slowed down in VaD and [ncbi.nlm.nih.gov]

Vascular cognitive impairment comprises a heterogeneous group of cognitive disorders of various severity and types that share a presumed vascular etiology. [ncbi.nlm.nih.gov]

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Encephalitis

CONCLUSION: Primary symptoms of LGI1 antibody encephalitis include memory impairments, seizures, FBDS, and mental and behavioral abnormalities. [ncbi.nlm.nih.gov]

The EEG showed a slow wave rhythm in all five patients. [ncbi.nlm.nih.gov]

It results in cognitive disorders (There is memory loss, abstract thinking and verbal fluency decline, and motor control may be markedly decreased.). [emedicinehealth.com]

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Hyponatremia

Cognitive impairment (eg, short-term memory loss, disorientation, confusion, depression). Focal or generalised seizures. [patient.info]

Some studies have implicated hyponatremia, particularly mild chronic hyponatremia, in cognitive disorders and suggested that chronic hyponatremia could induce attention disorders [bmcgeriatr.biomedcentral.com]

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Toxic Encephalopathy

impairment, difficulties in concentration and personality changes such as passivity The presence of pathological findings in terms of an objective measurement A relation [experttoxicologist.com]

EEG did not reveal any abnormalities except diffuse slowing of background rhythm in one patient who was critically ill. [ruralneuropractice.com]

A possible diagnosis is through the categories Dementia, Delirium, Amnetic Disorder and Other Cognitive Disorders, Mental Disorders due to a General Medical Condition and [scielo.br]

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Epilepsy

Abstract Epilepsy is a type of refractory neurologic disorder mental disease, which is associated with cognitive impairments and memory dysfunction. [ncbi.nlm.nih.gov]

Her EEG showed slow background with continuous occipital small spikes and photosensitivity. [ncbi.nlm.nih.gov]

Most patients will continue with intractable epilepsia partialis continua and also develop neurologic and cognitive defects. Only a few patients may have a remission. [medlink.com]

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Susac Syndrome

It consists of a clinical triad of: acute or subacute encephalopathy which could manifest in a broad spectrum of symptoms, e.g. memory impairment, confusion, behavioral disturbances [radiopaedia.org]

Her electroencephalogram (EEG) was diffusely slow with 2–3 Hz delta rhythm especially in the frontal regions [Figure 2]A. [pediatricneurosciences.com]

Disorders; Diagnosis, Differential; Early Diagnosis; Female; Hearing Loss, Bilateral; Humans; Immunologic Factors; Prognosis; Retinal Artery Occlusion; Risk Factors; Syndrome [ikm.ku.dk]

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Lyme Neuroborreliosis

impairment (odds ratio for having any memory problem, 1.9 [CI, 1.1 to 3.5]; P 0.003), and poorer functional status due to pain (odds ratio for 1 point on the SF-36 scale, [doi.org]

The EEG showed diffuse slowing consistent with encephalopathy and the MRI showed old infarcts in the left fronto-temporal lobes. [doi.org]

These symptoms can include muscle and joint pains, cognitive defects, sleep disturbance, or fatigue. [web.archive.org]

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Dementia with Lewy Bodies

This result indicates that CA1 may be more functionally relevant than CA2 in the context of memory impairment in DLB. [ncbi.nlm.nih.gov]

In sum, EEG slowing and decrease in α1-and β-band activity form potential neurophysiological indicators of underlying cholinergic deficiency in ADhall and DLBhall . [ncbi.nlm.nih.gov]

defects in DLB. [ncbi.nlm.nih.gov]

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Wernicke-Korsakoff Syndrome

The pattern of both anterograde and retrograde memory impairment and frontal pathology is shown to be comparable with that observed in patients with Wernicke-Korsakoff Syndrome [ncbi.nlm.nih.gov]

Electroencephalogram (EEG) shows diffuse mild to moderately slow activity. 2. What imaging studies (if any) should be ordered to help establish the diagnosis? [clinicaladvisor.com]

Définition: An acquired cognitive disorder characterized by inattentiveness and the inability to form short term memories. [hon.ch]

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Cerebral Hemorrhage

In addition, long term memory and problem solving may be impaired. Reasoning, both inductive and deductive, may be involved. [web.archive.org]

Invisible effects as cognitive disorders. See also the list on the subpage " invisible effects of brain injury" [braininjury-explanation.com]

According to Brookshire (1997), impaired retrospective memory in TBI adults can be pretraumatic memory loss and/or post traumatic memory loss. [csuchico.edu]

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Attention Deficit Hyperactivity Disorder

METHOD: Exploratory meta-analytic procedures were used to investigate whether children with ADHD exhibit WM impairments. [ncbi.nlm.nih.gov]

She experienced a convulsion the day after her first dose of methylphenidate, and repeat EEG demonstrated continuous spike and slow wave during sleep. [ncbi.nlm.nih.gov]

In fact, ADD/ADHD is essentially a cognitive disorder, a developmental impairment of executive functions (EFs), the self-management system of the brain. [ncbi.nlm.nih.gov]

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Hypocalcemia

Memory impairment. Lethargy. Headaches. Brittle nails. Dry hair and skin. Painful menstruation. [patient.info]

The electrocardiogram (ECG) may show prolongation of the Q-T interval, and the EEG may demonstrate slowing and generalized bursts of spikes. 44 Treatment Patients with symptomatic [epilepsy.com]

Cognitive defects such as mental retardation and memory impairment have been encountered. [web.archive.org]

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Uremic Encephalopathy

impairment, and sleep disturbances are not uncommon and may lead to impaired quality of life. [jnnp.bmj.com]

The EEG background in uremic encephalopathy demonstrates bilateral, frontal-predominant slow activity, which may include diphasic and triphasic waves. 3 Photomyoclonic and [epilepsy.com]

Our experience indicated that the determination of relative EEG power from each frequency (EEG power versus frequency or power spectral density) was the most practical and [ncbi.nlm.nih.gov]

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Kleine-Levin Syndrome

She suffered temporal and spatial disorientation at times and had memory impairment. She focussed on her hands, always saying that she could "no longer see them". [omicsonline.org]

EEG slowing is noted in 70% of cases during episodes, without epileptic activity. [orpha.net]

Although she has had no recurrence of the primary KLS symptoms, she continues to have a cognitive disorder, verbal disability, and whole brain atrophy. [ncbi.nlm.nih.gov]

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Creutzfeldt Jakob Disease

A week later, she was hospitalized due to memory impairment; repeated MRI and total body computed tomography scan showed no significant findings. [ncbi.nlm.nih.gov]

EEG revealed diffuse and slow activities with periodic sharp-wave complex discharges seen in the right parietal, temporal and occipital lobes. [ncbi.nlm.nih.gov]

Meanwhile, his clinical condition progressively worsened and he developed a rapidly progressive cognitive disorder, mutism and myoclonus of the muscles. [ncbi.nlm.nih.gov]

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Amnesia

During the past 100 years clinical studies of amnesia have linked memory impairment to damage of the hippocampus. [ncbi.nlm.nih.gov]

One week later, an EEG showed mild-to-moderate generalized nonspecific abnormalities, i.e., slowing, but no focal abnormalities or epileptiform discharges were apparent. [doi.org]

From Wikidata Jump to navigation Jump to search cognitive disorder where the memory is disturbed or lost and involves the loss of memories previously established, loss of [wikidata.org]

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Meningioma

euphoria, diminished concentration, urinary incontinence, visual impairment. [uclahealth.org]

Other visual defects can also develop. Compression on the frontal lobe can lead to personality changes, decreased cognition, and lack of emotion and interest (apathy). [rarediseases.org]

For example, those located in the frontal section may impair higher levels of brain functioning such as reasoning and memory, while those located in the middle section would [brainsciencefoundation.org]

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