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Presentation transcript:

Dorsal VentralMid-SagittalCoronalHorizontal

Cerebellum Muscle Tone, Balance, and Finely Coordinated Movement

Occipital Lobe Area V1

Primary Motor Cortex

Medial Longitudinal Fissure Divides the brain into two equal hemispheres.

What are the basic functions of each of the four cerebral lobes?

Frontal – Cognition, Planning, Motor Control Parietal – Somatosensory input, Proprioception, Language Temporal – Memory, Emotion, Audition, Sexual & Social Behaviour Occipital - Vision

Pons Connect the Medulla to the Midbrain and Thalamus. Contains numerous tracts including the Cortico-spinal tracts and Reticular Formation

Olfactory Tract Relay olfactory impulses from the olfactory bulbs to the entorhinal cortex

Cerebral Peduncles Contain descending fibres of the Corticospinal Tracts Receives afferents from sensory modalities and relay via Thalamus

Mammillary Bodies Sexual Arousal Memory Emotion

Trapezoid Bodies Sound localization via interneurons that inhibit ipsilateral signals and amplify contralateral signals to increase amplitude and temporal differences

Corpus Callosum Relay signals between the two hemispheres

Pineal Body Endocrine functions: secretes melatonin, controls daily rhythms In vertebrates other than humans: secretes hormones affecting reproductive behaviour

Inferior Colliculus Intermediate nucleus for processing auditory signals before they are transmitted to the primary auditory cortex

Cingulate Gyrus Pain perception, Visceral Responses to Emotion, and Planning of Motor Action

Anterior Commisure

Globus Pallidus Posture, Muscle tone, and control of Eating and Drinking

Column of the Fornix Memory and Control of Eating

Hippocampus Emotion, motivation, navigation by cognitive maps, learning, and the consolidation of long-term memory

Head of the Caudate Nucleus Inhibitory Control of Movement

Periaqueductal Gray Contains opiate neuroreceptors and neurons that release endorphins Implicated in the sensation and suppression of pain Implicated in the control of aggression and in female sexual behaviour.

Internal Capsules Nerve fibres running from the thalamus to the left or right cerebral cortex and from the cerebral cortex to the thalamus, brainstem, and spinal cord

Superior Colliculus Processes spatial aspects of visual info Directs eye movement in the direction of visual attention

Optic Tract Relays amalgamated visual information from the Optic Chiasm to the LGN

Putamen Posture and Movement Control

Claustrum Anterior: Cortical Pain Centre Posterior: Language

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