https://www.psychdb.com/ 2026-07-18T02:09:59-0700 https://www.psychdb.com/ https://www.psychdb.com/lib/tpl/bootstrap3/images/favicon.ico text/html 2022-02-15T18:01:11-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/0-rapid-rpd?rev=1644976871&do=diff Rapidly Progressive Dementias (RPDs) Primer Rapidly Progressive Dementias (RPDs) are dementias that progress quickly -- over the course of weeks to months. In some cases, it may be over a period of 1-2 years.Paterson, R. W., Takada, L. T., & Geschwind, M. D. (2012). Diagnosis and treatment of rapidly progressive dementias. Neurology: Clinical Practice, 2(3), 187-200. Treatment of an RPD is dependent on the etiology of the dementia, some of which are fully treatable. This makes early recognitio… text/html 2025-11-04T17:58:47-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/1-bpsd?rev=1762307927&do=diff Behavioural and Psychological Symptoms of Dementia (BPSD) Primer Behavioural and Psychological Symptoms of Dementia (BPSD) will develop in more than 90% of individuals diagnosed with dementia.Steinberg, M., Shao, H., Zandi, P., Lyketsos, C. G., Welsh‐Bohmer, K. A., Norton, M. C., ... & Tschanz, J. T. (2008). Point and 5‐year period prevalence of neuropsychiatric symptoms in dementia: the Cache County Study. International Journal of Geriatric Psychiatry: A journal of the psychiatry of late life… text/html 2021-10-24T00:35:13-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/als?rev=1635060913&do=diff Amyotrophic Lateral Sclerosis (ALS) Primer Amyotrophic Lateral Sclerosis (ALS), also known as Lou Gehrig's Disease is a progressive upper and lower motor neuron disease that affects nerve cells in the brain and spinal cord, causing loss of muscle control. text/html 2024-02-09T01:45:24-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/alzheimers?rev=1707471924&do=diff Alzheimer's Disease (AD) Primer Alzheimer's Disease (AD) is the most common type of dementia in the world, characterized by gradual progressive memory loss and behavioural changes. Different subtypes of Alzheimer's can have memory, visual, language, or frontal lobe deficit involvement. AD is associated with accumulation of amyloid and tau depositions in the brain. text/html 2022-02-09T21:24:44-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/corticobasal-degeneration-cbd?rev=1644470684&do=diff Corticobasal Degeneration (CBD) Primer Corticobasal Degeneration (CBD) is an neurodegenerative disorder, classified as an atypical parkinsonian syndrome (also known as one of the Parkinson's-plus syndromes). CBD was previously classified as a progressive asymmetric movement disorder characterized by akinesia, rigidity, dystonia, focal myoclonus, ideomotor apraxia, and/or alien-limb phenomena. However, it is increasingly seen as a disorder with cognitive and behavioural disturbances as well. Th… text/html 2022-02-04T11:43:41-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/creutzfeldt-jakob-disease-cjd?rev=1644003821&do=diff Creutzfeldt-Jakob Disease (CJD) Primer Creutzfeldt-Jakob Disease (CJD) is a rare, fatal, rapidly progressive dementia. It affects about 1 in every 1 million people per year worldwide. CJD has a rapid course and usually appears in late life. There is a very short survival time, death usually occurs within one year of symptom onset. text/html 2024-01-23T08:58:07-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/frontotemporal?rev=1706029087&do=diff Frontotemporal Dementia (FTD) Primer Frontotemporal dementia (FTD), also known as frontotemporal lobar degeneration (FTLD), or less commonly, Pick's disease, is one of the most common causes of dementia in adults younger than 60 years. FTD is actually an umbrella clinical term that encompasses a group of neurodegenerative diseases (behavioural-variant frontotemporal dementia, non-fluent variant text/html 2022-10-03T12:50:05-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/home?rev=1664826605&do=diff Introduction to Dementia Primer Dementia is a syndrome characterized by progressive neurocognitive decline of sufficient magnitude to interfere with normal social or occupational functions, or with usual daily activities. It is a broad diagnostic category that includes text/html 2022-01-03T14:56:13-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/late-tdp-43?rev=1641250573&do=diff Limbic-predominant Age-related TDP-43 Encephalopathy (LATE) Primer Limbic-predominant age-related TDP-43 encephalopathy (LATE) is a proposed neurodegenerative disorder of older adults (typically >80 years old). It presents primarily as an amnestic dementia and is thought to be due to a TDP-43 proteinopathy in limbic system structures, including the hippocampus. text/html 2024-02-05T16:55:36-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/lewy-body?rev=1707180936&do=diff Dementia with Lewy Bodies (DLB) Primer Dementia with Lewy Bodies (DLB), is a neurodegenerative disorder associated with abnormal deposits of alpha-synuclein in the brain. It is characterized by progressive cognitive impairment (with early changes in complex attention and executive function rather than learning and memory), recurrent complex visual hallucinations, rapid eye movement (REM) sleep behavior disorder, depression, and/or delusions. DLB is one of the most common causes of dementia. text/html 2023-03-26T18:26:28-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/multiple-system-atrophy-msa?rev=1679880388&do=diff Multiple System Atrophy (MSA) Primer Multiple System Atrophy (MSA) is a rapidly progressive neurodegenerative disorder characterized by any combination of Parkinsonism, cerebellar ataxia, and autonomic failure. The autonomic failure can include severe impairments such as orthostatic hypotension, post-prandial hypotension, postural instability, falls, and constipation. It is also the only neurodegenerative disorder with cerebellar dysfunction (ataxia, kinetic tremors). Although more typically c… text/html 2022-02-09T21:24:00-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/parkinsons?rev=1644470640&do=diff Parkinsons's Disease Dementia (PDD) Primer Parkinson’s Disease Dementia (PDD) is a form of dementia that develops after the diagnosis of Parkinson's Disease. Patients with PD have an almost six-fold increased risk of developing dementia. By definition, Parkinson's disease dementia is cognitive decline that occurs text/html 2021-11-26T14:22:52-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/posterior-cortical-atrophy-pca?rev=1637965372&do=diff Posterior Cortical Atrophy (PCA) Primer Posterior Cortical Atrophy (PCA) (also known as Benson’s Syndrome), is a rare, visual variant of Alzheimer’s disease. The disease primarily affects areas in the posterior regions of the brain (parietal, occipital, and occipitotemporal cortex) responsible for complex visual processing, spatial perception, spelling, and calculation. Unlike in typical Alzheimer’s, memory and insight are usually preserved in the early stages of the disease. text/html 2021-11-24T15:18:03-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/primary-progressive-aphasia-ppa?rev=1637795883&do=diff Primary Progressive Aphasia (PPA) Primer Primary Progressive Aphasia (PPA) is a clinically diverse neurological syndrome most commonly associated with Alzheimer’s Disease or frontotemporal dementia. It can also rarely occur in Parkinson's-plus disorders. PPA typically begins with gradual, subtle language deficits that progresses to a nearly complete inability to speak. text/html 2023-09-04T22:39:33-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/progressive-supranuclear-palsy-psp?rev=1693892373&do=diff Progressive Supranuclear Palsy (PSP) Primer Progressive Supranuclear Palsy (PSP) is a rare neurodegenerative disorder characterized by early postural instability, leading to falls, and a characteristic vertical supranuclear-gaze palsy on physical exam. It is classified as an atypical parkinsonian syndrome (or text/html 2023-10-12T09:22:19-0700 Anonymous (anonymous@undisclosed.example.com) https://www.psychdb.com/geri/dementia/vascular?rev=1697127739&do=diff Vascular Dementia Primer Vascular dementia is a neurodegenerative disorder (dementia) that occurs due to cerebrovascular disease and hypoperfusion. This can range from large vessel stroke to microvascular disease. The symptoms and presentation can be heterogenous, depending on the extent of vascular lesions and the anatomical location. Lesions can be limited to a single site, multifocal, or diffusely distributed. As such, there are also varied definitions and criteria for the diagnosis of vasc…