Friday, April 28, 2017

Mnemonic for Sulci And Gyri of the cerebrum

Hello everyone,
  Memorising sulci and gyri of the cerebrum consists of two parts:

  1. Memorising the names of the sulci and gyri
  2. Memorising the locations
Today I will help you with the first part. Please bear with me, it will be a lengthy one.
Lets start with Superolateral surface
We have 4 regions on superolateral surface. They are

  1. Frontal 
  2. Parietal
  3. Temporal
  4. Occipital
Trick for superolateral surface revolves around 3 letters, they are: PSI

Frontal
Sulci- PSI      Gyri- PSIM
Sulci:
  1. Precentral 
  2. Superior frontal
  3. Inferior frontal
Gyri

  1. Precentral
  2. Superior Frontal
  3. Inferior frontal
  4. Middle frontal 
Temporal
Sulci:SI  Gyri: SMI
  Names of Sulci are:
  1. Superior Temporal
  2. Inferior Temoral
Gyri

  1. Superior Temporal
  2. Middle Temporal
  3. Inferior Temporal



Parietal
Sulci: PI Gyri: PSI
Sulci
  1. Postcentral
  2. Intraparietal
Gyri

  1. Post central 
  2. Superior Parietal
  3. Inferior Parietal
For occipital. Remember a simple mnemonic : Sulci- SaLLTy C    Gyri- Gisa.
Sulci
SaLLTy C
  1. Superior and Inferior Polar
  2. Lunate
  3. Lateral Occipital
  4. Transverse Occipital
  5. Calcarine
And the gyri
GISA
  1. Gyrus descendens
  2. Inferior Occipital
  3. Superior Occipital
  4. Arcus parieto-occipitalis.
So that completes the superolateral surface.
Now moving on to Medial Surface
  Here's the mnemonic CAPS. Men wear CAPs.  
Now  it goes like this Sulci- CCCAPPS. Gyri- Men wear CCaPPPPs
Sulci 
  1. Calcarine
  2. Callosal 
  3. Cingulate
  4. Anterior parolfactory
  5. Posterior Parolfactory
  6. Parieto-Occipital
  7. Suprasplenial or subparietal
Gyri
  1. Median frontal
  2. Cuneus
  3. Cingulate
  4. Paraterminal
  5. Paraolfactory
  6. Paracentral
  7. Precuneus
Finally moving to the Inferior Surface
 Here's the mnemonic
     when Cars HOORns  PeoPle LAugh LoudLy on boys playing GaMMes on streets!

Sulci (red coloured in mnemonic)



  1. Collateral
  2. H shaped orbital sulci
  3. Olfactory
  4. Occipitotemporal
  5. Rhinal

Gyri(purpled coloured in mnemonic

  1. Parahippocampal
  2. Posterior Orbital
  3. Lateral orbital
  4. Anterior Orbital
  5. Lingual
  6. Lateral Occipitotemporal
  7. Gyrus rectus
  8. Median Occipitotemporal
  9. Medial Orbital
Lets hope it will make memorising these things a bit easier.

That's all,
Thankyou,
Chaitanya Inge

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