Dr. Linda Lockwood

Behavioral Neuroscience

 

Lecture Notes

Review

Practice Exam

Critical Thinking

Links

Brain Anatomy

Meninges

Dura Mater-”hard mother”

Arachnoid

Pia Mater

Ventricular System

Function

Components

Lateral Ventricles

Third Ventricle

Cerebral Aqueduct

Fourth Ventricle

Cerebrospinal Fluid

Development of the CNS

Neural Tube

Chambers become ventricles

Tissue becomes three major parts

Forebrain

Midbrain

Hindbrain

Forebrain

Telencephalon

Cortex

Frontal

Parietal

Occipital

Temporal

Basal Ganglia

Caudate

Putamen

Limbic System

Amygdala

hippocampus

Diencephalon

Thalamus

massa intermedia

major projection area to cortex

made up of numerous nuclei

Hypothalamus

Also made up of numerous nuclei

regulates hormones

regulates the four F’s

Midbrain

Tectum “roof”

superior colliculi

inferior colliculi

Tegmentum

Reticular Formation

Periaqueductal Gray

Red Nucleu

Substantia Nigra

Hindbrain

Metencephalon

Pons

Cerebellum

Myelencephalon

Medulla

Spinal Cord

Function

Four Sections

Anatomy

Cranial Nerves

1-Olfactory (s)

2-Optic (s)

3-Oculomotor (m)

4-Trochlear (m)

5-Trigeminal (s&m)

6-Abducens (m)

7-Facial (s&m)

8-Auditory (s)

9-Glossopharyngeal (s&m)

10-Vagus (s&m)

11-Spinal Accessory (m)

12-Hypoglossal (m)

Peripheral Nervous System

Sympathetic vs. Parasympathetic

Sympathetic

found in lumbar and thoracic regions

form sympathetic chain

all synapses are ACh from pre to post ganglionic cells

synapses onto target organs are NE

Parasympathetic

found in cervical and sacral region

all synapses are ACh from pre to post ganglionic cells

synapses onto target organs are ACh

Review sheet for ANATOMY

1. Be able to describe the division of the CNS and PNS.

2. Name and describe the major anatomical structures of the forebrain and indicate their function.

3. Name and describe the function of the structures of the midbrain and hindbrain.

4. Describe the structure, subdivisions, and functions of the spinal cord.

5. Describe the components and function of the peripheral nervous system, including the spinal and cranial nerves (include their classification as motor or sensory), and the autonomic nervous system.

6. Know the meninges, their role, and simple structure.

7. Describe the ventricles and the flow of CSF.

Anatomy CNS/PNS

 

Practice Exam

 

1. A two part question worth . . . 4 points

Cerebral Spinal Fluid (CSF) is produced by the __________ _________ and the CSF is located in the?

 A. Lateral Ventricles

B. Third Ventricle

C. Fourth Ventricle

D. All of the Above

E. Only two of the answers are correct

 

2. Which structure of the limbic system has been shown to be critical in the intense emotions of fear, anxiety, anger and aggression?

 

A. Caudate

B. Thalamus

C. Putamen

D. Amygdala

E. Hippocampus

 

3. The Meninges cover the brain in which order (from brain surface to skull)?

 

A. Dura mater, Arachnoid, Pia-mater

B. Dura mater, Pia-mater, Arachnoid

C. Arachnoid, Pia-mater, Dura mater

D. Pia-mater, Arachnoid, Dura mater

 

4. In the movie "Split Brain", what was the reason for the surgical disconnection of the right and left hemispheres at the corpus callosum?

 

A. Sociopathic tendencies

B. Arachnophobia

C. Epilepsy

D. "Just say no" was no longer in the patients vocabulary

E. Urinary Incontinence

 

5. Which answer below is the correct flow of CSF?

 

A. Subarachnoid space to Lateral ventricles to third ventricle to cerebral aqueduct to fourth ventricle to cerebral canal of the spinal cord

B. Lateral ventricles to fourth ventricle to third ventricle to subarachnoid space and to the cerebral canal of the spinal cord

C. Third ventricle to fourth ventricle to cerebral aqueduct to cerebral canal of the spinal cord to the subarachnoid space to the lateral ventricles

D. The lateral ventricles to the third ventricle to the cerebral aqueduct to the fourth ventricle to the subarachnoid space to the central canal of the spinal cord

 

6. For each of the following, give the common name for the nerve, state whether it is sensory or motor or both, and indicate the region that it serves:

 

Cranial Nerve I

 

Cranial Nerve IX

 

Cranial Nerve VIII

 

Cranial Nerve II

 

Cranial Nerve VI

 

Cranial Nerve XII

 

 

7. List the lobes of the brain and give one function for each?

 

 

 

8.. List 5 of the major internal structures of a typical neuron cell body.

 

 

 

9. Rough endoplasmic reticulum (ER) produces what substance?

 

A. Fats

B. Proteins

C. Neurotransmitters

D. Ribosomes

E. None of the Above

 

10. How many layers are there in the Neo-Cortex?

 

A. 2

B. 4

C. 6

D. 8

E. Who do we appreciate?

 

11. The Basal Ganglia is located in which division of the Brain?

 

A. Mesencephalon

B. Metencephalon

C. Diencephalon

D. Telencephalon

E. None of the Above

 

12. The Amygdala, Caudate, Putamen and Globus Pallidus are all part of which brain structure?

A. Thalamus

B. Cerebral Cortex

C. Cerebellum

D. Limbic System

E. Basil Ganglia

 

13. Briefly describe the functions of the hypothalamus.

 

 

14. List the structures of the hindbrain as discussed in class and give the primary function for each.

 

 ANSWER KEY

 

 1. Choroid Plexus and D

 2. D

 3. D

 4. C

5. A

6. notes

7. notes

8. notes

9. B

10. C

11. C

12. E

13. notes

14. Notes

 Critical Thinking Questions in Anatomy

 

1. Assume that you roller-blade in your leisure time and using the following table, identify whether the specific brain areas would be involved in roller-blading. If you believe they are, describe how they might be involved in your leisure-time activity.

 

Hippocampus

Hypothalamus

Amygdala

Pituitary

Occipital Lobe

Frontal Lobe

Parietal Lobe

Temporal Lobe

Cerebellum

Basal Ganglia

Reticular Formation

Corpus Callosum

Medulla

Thalamus

 

2. An elderly relative has had stroke. Predict at least 3 behavioral symptoms if the stroke damage is localized to:

Frontal Lobes

Temporal Lobes

Occipital Lobes

Parietal Lobes

Hippocampus

Motor Cortex of the Left Hemisphere

Sensory Cortex of the Right Hemisphere

Cerebellum

 

3. Animals across the evolutionary scale have brains that are very different from one another. Discuss what these differences are and why they may occur.

 

4. When is the brain the most sensitive to teratogens and which teratogens have been shown to have the most devastating effects on the brain?

 

5. Describe the anatomical and behavioral differences of a child born with Fetal Alcohol Syndrome.

 

 ANATOMY

 


This is a site which allows you to view various "slices of brain tissue" both in dissection format and by MRI.

This site allows you to look at 3D images of the brain and very brief movies which show internal and external structures of the brain

 


This site contains slides of various slices of brain and spinal cord sections. This site is particularly nice because you can choose to view the slides with labels or without labels of important structures.

 


This site contains information on development and the divisions of the brain. This is a fairly elementary look at the structures of the brain and is a good starting place for the beginning neuroanatomist.  
This site contains pictures and descriptions of the sheep brain dissection. Parts of it have been used to create the sheep brain dissection guide you will use during your dissections in class.  
This site contains stained slides of various areas of the brain and the sensory organs. This is a nice site, because it allows you to view slides by the systems which they belong to (ie: you can view the visual pathway-slide by slide).