Class Notes (839,572)
Canada (511,407)
Psychology (7,818)
PSYC31H3 (68)
Lecture 3

Lecture 3.docx

5 Pages
127 Views

Department
Psychology
Course Code
PSYC31H3
Professor
Zachariah Campbell

This preview shows pages 1 and half of page 2. Sign up to view the full 5 pages of the document.
Description
Lecture 3 – Jan 21 Neuropathology: CNS Tumours Abnormal growth of tissue within the brain/spinal cord Benign (less serious, non-cancerous, slow growing, singular. Space occupying, separate from nervous system) vs. Malignant (cancerous, more likely to reoccur, more aggressive. Infiltrates normal tissue) Primary (involves glial cells) vs. Secondary (tissue somewhere else that is impacting the CNS) Grades of severity • 1 (least severe, easier to treat) through 4 (this is the most severe) Brain Tumors: Gliomas Etiology: Glial cells Subtypes • Astrocytomas • Oligodendrogliomas • Mixed Glioblastoma • Fast growing Malignant astrocytomas Meningiomas: cancerous growth of the meninges Brain Tumors: Metastatic Metastatic (origin of growth is from another part of the bodyintracranial neoplasm Features • Expedited growth rate (relative) • Multiple sites are typical • Symptoms include headaches, seizures, and cognitive/behavioural sequallae Metabolic and Endocrine Disorders Diabetes Mellitus – Type 1 • Pancreatic dysfunction o Need injections of insulin • Glucose levels dysregulated • Expected symptoms? o The brain requires glucose to fuel it o Lethargy o Poor attention, learning, memory – global cognitive deficit Hypothyroidism – does not release enough thyroxin (needed to regulate metabolism) • Symptoms: cognitive impairment and fatigue • Delirium and hallucinations are not uncommon Liver disease • Multiple etiologies o Chronic alcoholism o Viral infections – Hepatitis B&C • Impairment varies with level of associated toxicity • Treatment approach: preventative Uremia: kidney failure • Treatment approach: symptomatic – dialysis • Symptoms are general in nature but include apathy, lethargy, and cognitive impairment Seizure Disorders Etiology: multiple origins Epilepsy • Chronic neurological form of SD • Episodic symptoms: affect behaviour/perception • Abnormal discharge of neurons o Depends on where it takes place o Each time that it happens, it’s more likely to happen again • Generalized (don’t know where affected fulci is located, quite a bit of the brain is affected) vs. Partial (we know where it is affected) • Symptomatic (we know where the seizure originated) vs. Idiopathic (we don’t know where the seizu
More Less
Unlock Document

Only pages 1 and half of page 2 are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit